Home / 75,082.44-112,545.20-25,121.45

Finding the Fourth Proportional to 75,082.44, 112,545.20 and 25,121.45

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Solution

The fourth proportional to 75,082.44, 112,545.20 and 25,121.45 is: 37,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082.44 : 112,545.20 = 25,121.45 : x
  2. Step 2: Convert to fraction form
    75,082.44/112,545.20 = 25,121.45/x
  3. Step 3: Cross multiply
    75,082.44x = 112,545.20 × 25,121.45
  4. Step 4: Simplify right side
    75,082.44x = 2,827,297,926.21
  5. Step 5: Solve for x
    x = 2,827,297,926.21/75,082.44
  6. Step 6: Final answer
    x = 37,655.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.