Home / 48,129.92-72,167.17-18,543.93

Finding the Fourth Proportional to 48,129.92, 72,167.17 and 18,543.93

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Solution

The fourth proportional to 48,129.92, 72,167.17 and 18,543.93 is: 27,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.92 : 72,167.17 = 18,543.93 : x
  2. Step 2: Convert to fraction form
    48,129.92/72,167.17 = 18,543.93/x
  3. Step 3: Cross multiply
    48,129.92x = 72,167.17 × 18,543.93
  4. Step 4: Simplify right side
    48,129.92x = 1,338,262,948.78
  5. Step 5: Solve for x
    x = 1,338,262,948.78/48,129.92
  6. Step 6: Final answer
    x = 27,805.22

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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.