Home / 86,022.12-118,720.06-50,220.92

Finding the Fourth Proportional to 86,022.12, 118,720.06 and 50,220.92

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Solution

The fourth proportional to 86,022.12, 118,720.06 and 50,220.92 is: 69,310.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,022.12 : 118,720.06 = 50,220.92 : x
  2. Step 2: Convert to fraction form
    86,022.12/118,720.06 = 50,220.92/x
  3. Step 3: Cross multiply
    86,022.12x = 118,720.06 × 50,220.92
  4. Step 4: Simplify right side
    86,022.12x = 5,962,230,635.66
  5. Step 5: Solve for x
    x = 5,962,230,635.66/86,022.12
  6. Step 6: Final answer
    x = 69,310.44

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Half scale
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Double scale
Find fourth proportional to 86,023.12, 118,721.44 and 50,221.92
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.