Home / 76,732.46-115,080.45-29,330.13

Finding the Fourth Proportional to 76,732.46, 115,080.45 and 29,330.13

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Solution

The fourth proportional to 76,732.46, 115,080.45 and 29,330.13 is: 43,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,732.46 : 115,080.45 = 29,330.13 : x
  2. Step 2: Convert to fraction form
    76,732.46/115,080.45 = 29,330.13/x
  3. Step 3: Cross multiply
    76,732.46x = 115,080.45 × 29,330.13
  4. Step 4: Simplify right side
    76,732.46x = 3,375,324,558.96
  5. Step 5: Solve for x
    x = 3,375,324,558.96/76,732.46
  6. Step 6: Final answer
    x = 43,988.23

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1.5x scale

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.