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Finding the Fourth Proportional to 64,217.88, 96,301.86 and 22,089.96

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Solution

The fourth proportional to 64,217.88, 96,301.86 and 22,089.96 is: 33,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,217.88 : 96,301.86 = 22,089.96 : x
  2. Step 2: Convert to fraction form
    64,217.88/96,301.86 = 22,089.96/x
  3. Step 3: Cross multiply
    64,217.88x = 96,301.86 × 22,089.96
  4. Step 4: Simplify right side
    64,217.88x = 2,127,304,235.33
  5. Step 5: Solve for x
    x = 2,127,304,235.33/64,217.88
  6. Step 6: Final answer
    x = 33,126.35

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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.