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Finding the Fourth Proportional to 99,488.67, 149,233.02 and 32,910.93

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Solution

The fourth proportional to 99,488.67, 149,233.02 and 32,910.93 is: 49,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,488.67 : 149,233.02 = 32,910.93 : x
  2. Step 2: Convert to fraction form
    99,488.67/149,233.02 = 32,910.93/x
  3. Step 3: Cross multiply
    99,488.67x = 149,233.02 × 32,910.93
  4. Step 4: Simplify right side
    99,488.67x = 4,911,397,474.91
  5. Step 5: Solve for x
    x = 4,911,397,474.91/99,488.67
  6. Step 6: Final answer
    x = 49,366.40

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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.