Home / 89,479.08-123,481.21-49,193.53

Finding the Fourth Proportional to 89,479.08, 123,481.21 and 49,193.53

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Solution

The fourth proportional to 89,479.08, 123,481.21 and 49,193.53 is: 67,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,479.08 : 123,481.21 = 49,193.53 : x
  2. Step 2: Convert to fraction form
    89,479.08/123,481.21 = 49,193.53/x
  3. Step 3: Cross multiply
    89,479.08x = 123,481.21 × 49,193.53
  4. Step 4: Simplify right side
    89,479.08x = 6,074,476,269.12
  5. Step 5: Solve for x
    x = 6,074,476,269.12/89,479.08
  6. Step 6: Final answer
    x = 67,887.11

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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.