Home / 57,654.91-86,510.62-38,691.50

Finding the Fourth Proportional to 57,654.91, 86,510.62 and 38,691.50

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Solution

The fourth proportional to 57,654.91, 86,510.62 and 38,691.50 is: 58,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,654.91 : 86,510.62 = 38,691.50 : x
  2. Step 2: Convert to fraction form
    57,654.91/86,510.62 = 38,691.50/x
  3. Step 3: Cross multiply
    57,654.91x = 86,510.62 × 38,691.50
  4. Step 4: Simplify right side
    57,654.91x = 3,347,225,027.72
  5. Step 5: Solve for x
    x = 3,347,225,027.72/57,654.91
  6. Step 6: Final answer
    x = 58,056.20

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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.