Home / 80,131.62-110,574.21-44,320.87

Finding the Fourth Proportional to 80,131.62, 110,574.21 and 44,320.87

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Solution

The fourth proportional to 80,131.62, 110,574.21 and 44,320.87 is: 61,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,131.62 : 110,574.21 = 44,320.87 : x
  2. Step 2: Convert to fraction form
    80,131.62/110,574.21 = 44,320.87/x
  3. Step 3: Cross multiply
    80,131.62x = 110,574.21 × 44,320.87
  4. Step 4: Simplify right side
    80,131.62x = 4,900,744,619.90
  5. Step 5: Solve for x
    x = 4,900,744,619.90/80,131.62
  6. Step 6: Final answer
    x = 61,158.68

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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.