Home / 89,257.80-123,174.74-51,531.24

Finding the Fourth Proportional to 89,257.80, 123,174.74 and 51,531.24

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Solution

The fourth proportional to 89,257.80, 123,174.74 and 51,531.24 is: 71,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,257.80 : 123,174.74 = 51,531.24 : x
  2. Step 2: Convert to fraction form
    89,257.80/123,174.74 = 51,531.24/x
  3. Step 3: Cross multiply
    89,257.80x = 123,174.74 × 51,531.24
  4. Step 4: Simplify right side
    89,257.80x = 6,347,347,088.88
  5. Step 5: Solve for x
    x = 6,347,347,088.88/89,257.80
  6. Step 6: Final answer
    x = 71,112.52

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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.