Home / 75,040.38-112,560.75-30,082.14

Finding the Fourth Proportional to 75,040.38, 112,560.75 and 30,082.14

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Solution

The fourth proportional to 75,040.38, 112,560.75 and 30,082.14 is: 45,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,040.38 : 112,560.75 = 30,082.14 : x
  2. Step 2: Convert to fraction form
    75,040.38/112,560.75 = 30,082.14/x
  3. Step 3: Cross multiply
    75,040.38x = 112,560.75 × 30,082.14
  4. Step 4: Simplify right side
    75,040.38x = 3,386,068,240.01
  5. Step 5: Solve for x
    x = 3,386,068,240.01/75,040.38
  6. Step 6: Final answer
    x = 45,123.28

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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.