Home / 83,201.20-114,815.92-45,475.72

Finding the Fourth Proportional to 83,201.20, 114,815.92 and 45,475.72

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Solution

The fourth proportional to 83,201.20, 114,815.92 and 45,475.72 is: 62,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,201.20 : 114,815.92 = 45,475.72 : x
  2. Step 2: Convert to fraction form
    83,201.20/114,815.92 = 45,475.72/x
  3. Step 3: Cross multiply
    83,201.20x = 114,815.92 × 45,475.72
  4. Step 4: Simplify right side
    83,201.20x = 5,221,336,629.46
  5. Step 5: Solve for x
    x = 5,221,336,629.46/83,201.20
  6. Step 6: Final answer
    x = 62,755.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.