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Finding the Fourth Proportional to 64,565.92, 96,856.56 and 27,625.12

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Solution

The fourth proportional to 64,565.92, 96,856.56 and 27,625.12 is: 41,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,565.92 : 96,856.56 = 27,625.12 : x
  2. Step 2: Convert to fraction form
    64,565.92/96,856.56 = 27,625.12/x
  3. Step 3: Cross multiply
    64,565.92x = 96,856.56 × 27,625.12
  4. Step 4: Simplify right side
    64,565.92x = 2,675,674,092.79
  5. Step 5: Solve for x
    x = 2,675,674,092.79/64,565.92
  6. Step 6: Final answer
    x = 41,440.97

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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.