Home / 89,420.26-123,399.94-49,136.62

Finding the Fourth Proportional to 89,420.26, 123,399.94 and 49,136.62

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Solution

The fourth proportional to 89,420.26, 123,399.94 and 49,136.62 is: 67,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,420.26 : 123,399.94 = 49,136.62 : x
  2. Step 2: Convert to fraction form
    89,420.26/123,399.94 = 49,136.62/x
  3. Step 3: Cross multiply
    89,420.26x = 123,399.94 × 49,136.62
  4. Step 4: Simplify right side
    89,420.26x = 6,063,456,052.00
  5. Step 5: Solve for x
    x = 6,063,456,052.00/89,420.26
  6. Step 6: Final answer
    x = 67,808.52

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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.