Home / 82,760.64-124,159.33-30,169.97

Finding the Fourth Proportional to 82,760.64, 124,159.33 and 30,169.97

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Solution

The fourth proportional to 82,760.64, 124,159.33 and 30,169.97 is: 45,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,760.64 : 124,159.33 = 30,169.97 : x
  2. Step 2: Convert to fraction form
    82,760.64/124,159.33 = 30,169.97/x
  3. Step 3: Cross multiply
    82,760.64x = 124,159.33 × 30,169.97
  4. Step 4: Simplify right side
    82,760.64x = 3,745,883,143.83
  5. Step 5: Solve for x
    x = 3,745,883,143.83/82,760.64
  6. Step 6: Final answer
    x = 45,261.65

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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.