Home / 69,157.76-95,439.60-42,299.78

Finding the Fourth Proportional to 69,157.76, 95,439.60 and 42,299.78

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Solution

The fourth proportional to 69,157.76, 95,439.60 and 42,299.78 is: 58,374.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,157.76 : 95,439.60 = 42,299.78 : x
  2. Step 2: Convert to fraction form
    69,157.76/95,439.60 = 42,299.78/x
  3. Step 3: Cross multiply
    69,157.76x = 95,439.60 × 42,299.78
  4. Step 4: Simplify right side
    69,157.76x = 4,037,074,083.29
  5. Step 5: Solve for x
    x = 4,037,074,083.29/69,157.76
  6. Step 6: Final answer
    x = 58,374.85

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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.