Home / 83,036.10-124,554.15-49,793.70

Finding the Fourth Proportional to 83,036.10, 124,554.15 and 49,793.70

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Solution

The fourth proportional to 83,036.10, 124,554.15 and 49,793.70 is: 74,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,036.10 : 124,554.15 = 49,793.70 : x
  2. Step 2: Convert to fraction form
    83,036.10/124,554.15 = 49,793.70/x
  3. Step 3: Cross multiply
    83,036.10x = 124,554.15 × 49,793.70
  4. Step 4: Simplify right side
    83,036.10x = 6,202,011,978.86
  5. Step 5: Solve for x
    x = 6,202,011,978.86/83,036.10
  6. Step 6: Final answer
    x = 74,690.55

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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.