Home / 80,549.97-111,136.64-50,366.13

Finding the Fourth Proportional to 80,549.97, 111,136.64 and 50,366.13

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Solution

The fourth proportional to 80,549.97, 111,136.64 and 50,366.13 is: 69,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,549.97 : 111,136.64 = 50,366.13 : x
  2. Step 2: Convert to fraction form
    80,549.97/111,136.64 = 50,366.13/x
  3. Step 3: Cross multiply
    80,549.97x = 111,136.64 × 50,366.13
  4. Step 4: Simplify right side
    80,549.97x = 5,597,522,206.17
  5. Step 5: Solve for x
    x = 5,597,522,206.17/80,549.97
  6. Step 6: Final answer
    x = 69,491.30

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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.