Home / 85,215.19-117,591.58-46,972.63

Finding the Fourth Proportional to 85,215.19, 117,591.58 and 46,972.63

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Solution

The fourth proportional to 85,215.19, 117,591.58 and 46,972.63 is: 64,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,215.19 : 117,591.58 = 46,972.63 : x
  2. Step 2: Convert to fraction form
    85,215.19/117,591.58 = 46,972.63/x
  3. Step 3: Cross multiply
    85,215.19x = 117,591.58 × 46,972.63
  4. Step 4: Simplify right side
    85,215.19x = 5,523,585,778.46
  5. Step 5: Solve for x
    x = 5,523,585,778.46/85,215.19
  6. Step 6: Final answer
    x = 64,819.26

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Half scale
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Double scale
Find fourth proportional to 85,216.19, 117,592.96 and 46,973.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.