Home / 66,120.20-99,245.10-32,877.80

Finding the Fourth Proportional to 66,120.20, 99,245.10 and 32,877.80

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Solution

The fourth proportional to 66,120.20, 99,245.10 and 32,877.80 is: 49,348.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,120.20 : 99,245.10 = 32,877.80 : x
  2. Step 2: Convert to fraction form
    66,120.20/99,245.10 = 32,877.80/x
  3. Step 3: Cross multiply
    66,120.20x = 99,245.10 × 32,877.80
  4. Step 4: Simplify right side
    66,120.20x = 3,262,960,548.78
  5. Step 5: Solve for x
    x = 3,262,960,548.78/66,120.20
  6. Step 6: Final answer
    x = 49,348.92

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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.