Home / 63,436.16-87,481.62-37,938.38

Finding the Fourth Proportional to 63,436.16, 87,481.62 and 37,938.38

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Solution

The fourth proportional to 63,436.16, 87,481.62 and 37,938.38 is: 52,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,436.16 : 87,481.62 = 37,938.38 : x
  2. Step 2: Convert to fraction form
    63,436.16/87,481.62 = 37,938.38/x
  3. Step 3: Cross multiply
    63,436.16x = 87,481.62 × 37,938.38
  4. Step 4: Simplify right side
    63,436.16x = 3,318,910,505.17
  5. Step 5: Solve for x
    x = 3,318,910,505.17/63,436.16
  6. Step 6: Final answer
    x = 52,318.90

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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.