Home / 69,372.17-95,723.30-42,134.09

Finding the Fourth Proportional to 69,372.17, 95,723.30 and 42,134.09

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Solution

The fourth proportional to 69,372.17, 95,723.30 and 42,134.09 is: 58,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,372.17 : 95,723.30 = 42,134.09 : x
  2. Step 2: Convert to fraction form
    69,372.17/95,723.30 = 42,134.09/x
  3. Step 3: Cross multiply
    69,372.17x = 95,723.30 × 42,134.09
  4. Step 4: Simplify right side
    69,372.17x = 4,033,214,137.30
  5. Step 5: Solve for x
    x = 4,033,214,137.30/69,372.17
  6. Step 6: Final answer
    x = 58,138.79

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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.