Home / 92,502.17-138,728.92-39,899.96

Finding the Fourth Proportional to 92,502.17, 138,728.92 and 39,899.96

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Solution

The fourth proportional to 92,502.17, 138,728.92 and 39,899.96 is: 59,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,502.17 : 138,728.92 = 39,899.96 : x
  2. Step 2: Convert to fraction form
    92,502.17/138,728.92 = 39,899.96/x
  3. Step 3: Cross multiply
    92,502.17x = 138,728.92 × 39,899.96
  4. Step 4: Simplify right side
    92,502.17x = 5,535,277,665.20
  5. Step 5: Solve for x
    x = 5,535,277,665.20/92,502.17
  6. Step 6: Final answer
    x = 59,839.44

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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.