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Finding the Fourth Proportional to 64,686.52, 96,996.98 and 29,596.11

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Solution

The fourth proportional to 64,686.52, 96,996.98 and 29,596.11 is: 44,379.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,686.52 : 96,996.98 = 29,596.11 : x
  2. Step 2: Convert to fraction form
    64,686.52/96,996.98 = 29,596.11/x
  3. Step 3: Cross multiply
    64,686.52x = 96,996.98 × 29,596.11
  4. Step 4: Simplify right side
    64,686.52x = 2,870,733,289.75
  5. Step 5: Solve for x
    x = 2,870,733,289.75/64,686.52
  6. Step 6: Final answer
    x = 44,379.16

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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.