Home / 99,006.61-148,460.78-31,529.85

Finding the Fourth Proportional to 99,006.61, 148,460.78 and 31,529.85

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Solution

The fourth proportional to 99,006.61, 148,460.78 and 31,529.85 is: 47,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,006.61 : 148,460.78 = 31,529.85 : x
  2. Step 2: Convert to fraction form
    99,006.61/148,460.78 = 31,529.85/x
  3. Step 3: Cross multiply
    99,006.61x = 148,460.78 × 31,529.85
  4. Step 4: Simplify right side
    99,006.61x = 4,680,946,124.28
  5. Step 5: Solve for x
    x = 4,680,946,124.28/99,006.61
  6. Step 6: Final answer
    x = 47,279.13

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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.