Home / 83,158.17-124,768.23-49,902.09

Finding the Fourth Proportional to 83,158.17, 124,768.23 and 49,902.09

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Solution

The fourth proportional to 83,158.17, 124,768.23 and 49,902.09 is: 74,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,158.17 : 124,768.23 = 49,902.09 : x
  2. Step 2: Convert to fraction form
    83,158.17/124,768.23 = 49,902.09/x
  3. Step 3: Cross multiply
    83,158.17x = 124,768.23 × 49,902.09
  4. Step 4: Simplify right side
    83,158.17x = 6,226,195,442.60
  5. Step 5: Solve for x
    x = 6,226,195,442.60/83,158.17
  6. Step 6: Final answer
    x = 74,871.72

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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.