Home / 80,781.60-111,474.28-44,970.68

Finding the Fourth Proportional to 80,781.60, 111,474.28 and 44,970.68

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Solution

The fourth proportional to 80,781.60, 111,474.28 and 44,970.68 is: 62,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,781.60 : 111,474.28 = 44,970.68 : x
  2. Step 2: Convert to fraction form
    80,781.60/111,474.28 = 44,970.68/x
  3. Step 3: Cross multiply
    80,781.60x = 111,474.28 × 44,970.68
  4. Step 4: Simplify right side
    80,781.60x = 5,013,074,174.11
  5. Step 5: Solve for x
    x = 5,013,074,174.11/80,781.60
  6. Step 6: Final answer
    x = 62,057.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.