Home / 66,587.28-91,892.17-36,372.32

Finding the Fourth Proportional to 66,587.28, 91,892.17 and 36,372.32

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Solution

The fourth proportional to 66,587.28, 91,892.17 and 36,372.32 is: 50,194.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,587.28 : 91,892.17 = 36,372.32 : x
  2. Step 2: Convert to fraction form
    66,587.28/91,892.17 = 36,372.32/x
  3. Step 3: Cross multiply
    66,587.28x = 91,892.17 × 36,372.32
  4. Step 4: Simplify right side
    66,587.28x = 3,342,331,412.73
  5. Step 5: Solve for x
    x = 3,342,331,412.73/66,587.28
  6. Step 6: Final answer
    x = 50,194.74

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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.