Home / 83,247.08-124,719.42-48,112.52

Finding the Fourth Proportional to 83,247.08, 124,719.42 and 48,112.52

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Solution

The fourth proportional to 83,247.08, 124,719.42 and 48,112.52 is: 72,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,247.08 : 124,719.42 = 48,112.52 : x
  2. Step 2: Convert to fraction form
    83,247.08/124,719.42 = 48,112.52/x
  3. Step 3: Cross multiply
    83,247.08x = 124,719.42 × 48,112.52
  4. Step 4: Simplify right side
    83,247.08x = 6,000,565,589.14
  5. Step 5: Solve for x
    x = 6,000,565,589.14/83,247.08
  6. Step 6: Final answer
    x = 72,081.39

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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.