Home / 76,305.85-114,481.15-34,176.53

Finding the Fourth Proportional to 76,305.85, 114,481.15 and 34,176.53

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Solution

The fourth proportional to 76,305.85, 114,481.15 and 34,176.53 is: 51,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,305.85 : 114,481.15 = 34,176.53 : x
  2. Step 2: Convert to fraction form
    76,305.85/114,481.15 = 34,176.53/x
  3. Step 3: Cross multiply
    76,305.85x = 114,481.15 × 34,176.53
  4. Step 4: Simplify right side
    76,305.85x = 3,912,568,658.17
  5. Step 5: Solve for x
    x = 3,912,568,658.17/76,305.85
  6. Step 6: Final answer
    x = 51,274.82

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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.