Home / 85,109.14-117,449.70-46,867.96

Finding the Fourth Proportional to 85,109.14, 117,449.70 and 46,867.96

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Solution

The fourth proportional to 85,109.14, 117,449.70 and 46,867.96 is: 64,677.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,109.14 : 117,449.70 = 46,867.96 : x
  2. Step 2: Convert to fraction form
    85,109.14/117,449.70 = 46,867.96/x
  3. Step 3: Cross multiply
    85,109.14x = 117,449.70 × 46,867.96
  4. Step 4: Simplify right side
    85,109.14x = 5,504,627,841.61
  5. Step 5: Solve for x
    x = 5,504,627,841.61/85,109.14
  6. Step 6: Final answer
    x = 64,677.28

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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.