Home / 80,012.24-120,044.28-38,462.48

Finding the Fourth Proportional to 80,012.24, 120,044.28 and 38,462.48

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Solution

The fourth proportional to 80,012.24, 120,044.28 and 38,462.48 is: 57,706.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,012.24 : 120,044.28 = 38,462.48 : x
  2. Step 2: Convert to fraction form
    80,012.24/120,044.28 = 38,462.48/x
  3. Step 3: Cross multiply
    80,012.24x = 120,044.28 × 38,462.48
  4. Step 4: Simplify right side
    80,012.24x = 4,617,200,718.61
  5. Step 5: Solve for x
    x = 4,617,200,718.61/80,012.24
  6. Step 6: Final answer
    x = 57,706.18

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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.