Home / 83,622.32-125,367.72-57,247.12

Finding the Fourth Proportional to 83,622.32, 125,367.72 and 57,247.12

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Solution

The fourth proportional to 83,622.32, 125,367.72 and 57,247.12 is: 85,825.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,622.32 : 125,367.72 = 57,247.12 : x
  2. Step 2: Convert to fraction form
    83,622.32/125,367.72 = 57,247.12/x
  3. Step 3: Cross multiply
    83,622.32x = 125,367.72 × 57,247.12
  4. Step 4: Simplify right side
    83,622.32x = 7,176,940,910.97
  5. Step 5: Solve for x
    x = 7,176,940,910.97/83,622.32
  6. Step 6: Final answer
    x = 85,825.66

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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.