Home / 69,414.19-95,775.12-42,189.81

Finding the Fourth Proportional to 69,414.19, 95,775.12 and 42,189.81

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Solution

The fourth proportional to 69,414.19, 95,775.12 and 42,189.81 is: 58,211.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,414.19 : 95,775.12 = 42,189.81 : x
  2. Step 2: Convert to fraction form
    69,414.19/95,775.12 = 42,189.81/x
  3. Step 3: Cross multiply
    69,414.19x = 95,775.12 × 42,189.81
  4. Step 4: Simplify right side
    69,414.19x = 4,040,734,115.53
  5. Step 5: Solve for x
    x = 4,040,734,115.53/69,414.19
  6. Step 6: Final answer
    x = 58,211.93

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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.