Home / 82,760.04-124,042.82-38,292.86

Finding the Fourth Proportional to 82,760.04, 124,042.82 and 38,292.86

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Solution

The fourth proportional to 82,760.04, 124,042.82 and 38,292.86 is: 57,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,760.04 : 124,042.82 = 38,292.86 : x
  2. Step 2: Convert to fraction form
    82,760.04/124,042.82 = 38,292.86/x
  3. Step 3: Cross multiply
    82,760.04x = 124,042.82 × 38,292.86
  4. Step 4: Simplify right side
    82,760.04x = 4,749,954,340.27
  5. Step 5: Solve for x
    x = 4,749,954,340.27/82,760.04
  6. Step 6: Final answer
    x = 57,394.30

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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.