Home / 89,830.88-123,965.16-51,591.24

Finding the Fourth Proportional to 89,830.88, 123,965.16 and 51,591.24

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Solution

The fourth proportional to 89,830.88, 123,965.16 and 51,591.24 is: 71,195.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,830.88 : 123,965.16 = 51,591.24 : x
  2. Step 2: Convert to fraction form
    89,830.88/123,965.16 = 51,591.24/x
  3. Step 3: Cross multiply
    89,830.88x = 123,965.16 × 51,591.24
  4. Step 4: Simplify right side
    89,830.88x = 6,395,516,321.20
  5. Step 5: Solve for x
    x = 6,395,516,321.20/89,830.88
  6. Step 6: Final answer
    x = 71,195.08

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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.