Home / 82,760.26-124,159.02-30,169.93

Finding the Fourth Proportional to 82,760.26, 124,159.02 and 30,169.93

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Solution

The fourth proportional to 82,760.26, 124,159.02 and 30,169.93 is: 45,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,760.26 : 124,159.02 = 30,169.93 : x
  2. Step 2: Convert to fraction form
    82,760.26/124,159.02 = 30,169.93/x
  3. Step 3: Cross multiply
    82,760.26x = 124,159.02 × 30,169.93
  4. Step 4: Simplify right side
    82,760.26x = 3,745,868,942.27
  5. Step 5: Solve for x
    x = 3,745,868,942.27/82,760.26
  6. Step 6: Final answer
    x = 45,261.69

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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.