Home / 83,223.76-124,726.92-38,228.80

Finding the Fourth Proportional to 83,223.76, 124,726.92 and 38,228.80

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Solution

The fourth proportional to 83,223.76, 124,726.92 and 38,228.80 is: 57,293.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,223.76 : 124,726.92 = 38,228.80 : x
  2. Step 2: Convert to fraction form
    83,223.76/124,726.92 = 38,228.80/x
  3. Step 3: Cross multiply
    83,223.76x = 124,726.92 × 38,228.80
  4. Step 4: Simplify right side
    83,223.76x = 4,768,160,479.30
  5. Step 5: Solve for x
    x = 4,768,160,479.30/83,223.76
  6. Step 6: Final answer
    x = 57,293.26

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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.