Home / 80,952.68-111,715.19-45,144.96

Finding the Fourth Proportional to 80,952.68, 111,715.19 and 45,144.96

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Solution

The fourth proportional to 80,952.68, 111,715.19 and 45,144.96 is: 62,300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,952.68 : 111,715.19 = 45,144.96 : x
  2. Step 2: Convert to fraction form
    80,952.68/111,715.19 = 45,144.96/x
  3. Step 3: Cross multiply
    80,952.68x = 111,715.19 × 45,144.96
  4. Step 4: Simplify right side
    80,952.68x = 5,043,377,308.58
  5. Step 5: Solve for x
    x = 5,043,377,308.58/80,952.68
  6. Step 6: Final answer
    x = 62,300.31

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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.