Home / 82,261.86-123,377.19-40,099.57

Finding the Fourth Proportional to 82,261.86, 123,377.19 and 40,099.57

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Solution

The fourth proportional to 82,261.86, 123,377.19 and 40,099.57 is: 60,141.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,261.86 : 123,377.19 = 40,099.57 : x
  2. Step 2: Convert to fraction form
    82,261.86/123,377.19 = 40,099.57/x
  3. Step 3: Cross multiply
    82,261.86x = 123,377.19 × 40,099.57
  4. Step 4: Simplify right side
    82,261.86x = 4,947,372,266.81
  5. Step 5: Solve for x
    x = 4,947,372,266.81/82,261.86
  6. Step 6: Final answer
    x = 60,141.75

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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.