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Finding the Fourth Proportional to 66,882.30, 100,323.45 and 63,601.80

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Solution

The fourth proportional to 66,882.30, 100,323.45 and 63,601.80 is: 95,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,882.30 : 100,323.45 = 63,601.80 : x
  2. Step 2: Convert to fraction form
    66,882.30/100,323.45 = 63,601.80/x
  3. Step 3: Cross multiply
    66,882.30x = 100,323.45 × 63,601.80
  4. Step 4: Simplify right side
    66,882.30x = 6,380,752,002.21
  5. Step 5: Solve for x
    x = 6,380,752,002.21/66,882.30
  6. Step 6: Final answer
    x = 95,402.70

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1.5x scale

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.