Home / 82,820.97-124,127.24-44,868.78

Finding the Fourth Proportional to 82,820.97, 124,127.24 and 44,868.78

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Solution

The fourth proportional to 82,820.97, 124,127.24 and 44,868.78 is: 67,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,820.97 : 124,127.24 = 44,868.78 : x
  2. Step 2: Convert to fraction form
    82,820.97/124,127.24 = 44,868.78/x
  3. Step 3: Cross multiply
    82,820.97x = 124,127.24 × 44,868.78
  4. Step 4: Simplify right side
    82,820.97x = 5,569,437,250.12
  5. Step 5: Solve for x
    x = 5,569,437,250.12/82,820.97
  6. Step 6: Final answer
    x = 67,246.70

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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.