Home / 83,676.24-115,475.22-45,951.30

Finding the Fourth Proportional to 83,676.24, 115,475.22 and 45,951.30

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Solution

The fourth proportional to 83,676.24, 115,475.22 and 45,951.30 is: 63,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,676.24 : 115,475.22 = 45,951.30 : x
  2. Step 2: Convert to fraction form
    83,676.24/115,475.22 = 45,951.30/x
  3. Step 3: Cross multiply
    83,676.24x = 115,475.22 × 45,951.30
  4. Step 4: Simplify right side
    83,676.24x = 5,306,236,476.79
  5. Step 5: Solve for x
    x = 5,306,236,476.79/83,676.24
  6. Step 6: Final answer
    x = 63,413.90

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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.