Home / 66,053.20-99,144.60-32,810.80

Finding the Fourth Proportional to 66,053.20, 99,144.60 and 32,810.80

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Solution

The fourth proportional to 66,053.20, 99,144.60 and 32,810.80 is: 49,248.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,053.20 : 99,144.60 = 32,810.80 : x
  2. Step 2: Convert to fraction form
    66,053.20/99,144.60 = 32,810.80/x
  3. Step 3: Cross multiply
    66,053.20x = 99,144.60 × 32,810.80
  4. Step 4: Simplify right side
    66,053.20x = 3,253,013,641.68
  5. Step 5: Solve for x
    x = 3,253,013,641.68/66,053.20
  6. Step 6: Final answer
    x = 49,248.39

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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.