Home / 80,715.02-111,381.21-44,903.70

Finding the Fourth Proportional to 80,715.02, 111,381.21 and 44,903.70

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Solution

The fourth proportional to 80,715.02, 111,381.21 and 44,903.70 is: 61,964.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,715.02 : 111,381.21 = 44,903.70 : x
  2. Step 2: Convert to fraction form
    80,715.02/111,381.21 = 44,903.70/x
  3. Step 3: Cross multiply
    80,715.02x = 111,381.21 × 44,903.70
  4. Step 4: Simplify right side
    80,715.02x = 5,001,428,439.48
  5. Step 5: Solve for x
    x = 5,001,428,439.48/80,715.02
  6. Step 6: Final answer
    x = 61,964.04

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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.