Home / 95,799.12-132,157-74,432.16

Finding the Fourth Proportional to 95,799.12, 132,157 and 74,432.16

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Solution

The fourth proportional to 95,799.12, 132,157 and 74,432.16 is: 102,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,799.12 : 132,157 = 74,432.16 : x
  2. Step 2: Convert to fraction form
    95,799.12/132,157 = 74,432.16/x
  3. Step 3: Cross multiply
    95,799.12x = 132,157 × 74,432.16
  4. Step 4: Simplify right side
    95,799.12x = 9,836,730,969.12
  5. Step 5: Solve for x
    x = 9,836,730,969.12/95,799.12
  6. Step 6: Final answer
    x = 102,680.81

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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.