Home / 81,600.60-122,287.02-44,079.78

Finding the Fourth Proportional to 81,600.60, 122,287.02 and 44,079.78

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Solution

The fourth proportional to 81,600.60, 122,287.02 and 44,079.78 is: 66,058.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,600.60 : 122,287.02 = 44,079.78 : x
  2. Step 2: Convert to fraction form
    81,600.60/122,287.02 = 44,079.78/x
  3. Step 3: Cross multiply
    81,600.60x = 122,287.02 × 44,079.78
  4. Step 4: Simplify right side
    81,600.60x = 5,390,384,938.46
  5. Step 5: Solve for x
    x = 5,390,384,938.46/81,600.60
  6. Step 6: Final answer
    x = 66,058.15

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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.