Home / 88,402.25-132,639.56-38,456.57

Finding the Fourth Proportional to 88,402.25, 132,639.56 and 38,456.57

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Solution

The fourth proportional to 88,402.25, 132,639.56 and 38,456.57 is: 57,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,402.25 : 132,639.56 = 38,456.57 : x
  2. Step 2: Convert to fraction form
    88,402.25/132,639.56 = 38,456.57/x
  3. Step 3: Cross multiply
    88,402.25x = 132,639.56 × 38,456.57
  4. Step 4: Simplify right side
    88,402.25x = 5,100,862,523.91
  5. Step 5: Solve for x
    x = 5,100,862,523.91/88,402.25
  6. Step 6: Final answer
    x = 57,700.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.