Home / 83,220.46-124,862.20-49,963.74

Finding the Fourth Proportional to 83,220.46, 124,862.20 and 49,963.74

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Solution

The fourth proportional to 83,220.46, 124,862.20 and 49,963.74 is: 74,964.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,220.46 : 124,862.20 = 49,963.74 : x
  2. Step 2: Convert to fraction form
    83,220.46/124,862.20 = 49,963.74/x
  3. Step 3: Cross multiply
    83,220.46x = 124,862.20 × 49,963.74
  4. Step 4: Simplify right side
    83,220.46x = 6,238,582,496.63
  5. Step 5: Solve for x
    x = 6,238,582,496.63/83,220.46
  6. Step 6: Final answer
    x = 74,964.53

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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.