Home / 80,997.29-111,775.92-45,187.25

Finding the Fourth Proportional to 80,997.29, 111,775.92 and 45,187.25

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Solution

The fourth proportional to 80,997.29, 111,775.92 and 45,187.25 is: 62,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,997.29 : 111,775.92 = 45,187.25 : x
  2. Step 2: Convert to fraction form
    80,997.29/111,775.92 = 45,187.25/x
  3. Step 3: Cross multiply
    80,997.29x = 111,775.92 × 45,187.25
  4. Step 4: Simplify right side
    80,997.29x = 5,050,845,882.14
  5. Step 5: Solve for x
    x = 5,050,845,882.14/80,997.29
  6. Step 6: Final answer
    x = 62,358.21

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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.