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Finding the Fourth Proportional to 65,695.71, 98,550.04 and 17,663.73

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Solution

The fourth proportional to 65,695.71, 98,550.04 and 17,663.73 is: 26,497.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,695.71 : 98,550.04 = 17,663.73 : x
  2. Step 2: Convert to fraction form
    65,695.71/98,550.04 = 17,663.73/x
  3. Step 3: Cross multiply
    65,695.71x = 98,550.04 × 17,663.73
  4. Step 4: Simplify right side
    65,695.71x = 1,740,761,298.05
  5. Step 5: Solve for x
    x = 1,740,761,298.05/65,695.71
  6. Step 6: Final answer
    x = 26,497.34

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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.