Home / 102,760.68-153,753.43-60,663.66

Finding the Fourth Proportional to 102,760.68, 153,753.43 and 60,663.66

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Solution

The fourth proportional to 102,760.68, 153,753.43 and 60,663.66 is: 90,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,760.68 : 153,753.43 = 60,663.66 : x
  2. Step 2: Convert to fraction form
    102,760.68/153,753.43 = 60,663.66/x
  3. Step 3: Cross multiply
    102,760.68x = 153,753.43 × 60,663.66
  4. Step 4: Simplify right side
    102,760.68x = 9,327,245,801.35
  5. Step 5: Solve for x
    x = 9,327,245,801.35/102,760.68
  6. Step 6: Final answer
    x = 90,766.68

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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.