Home / 102,760.43-153,753.05-60,663.42

Finding the Fourth Proportional to 102,760.43, 153,753.05 and 60,663.42

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Solution

The fourth proportional to 102,760.43, 153,753.05 and 60,663.42 is: 90,766.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,760.43 : 153,753.05 = 60,663.42 : x
  2. Step 2: Convert to fraction form
    102,760.43/153,753.05 = 60,663.42/x
  3. Step 3: Cross multiply
    102,760.43x = 153,753.05 × 60,663.42
  4. Step 4: Simplify right side
    102,760.43x = 9,327,185,545.11
  5. Step 5: Solve for x
    x = 9,327,185,545.11/102,760.43
  6. Step 6: Final answer
    x = 90,766.32

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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.