Home / 89,388.82-123,357.38-49,103.40

Finding the Fourth Proportional to 89,388.82, 123,357.38 and 49,103.40

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Solution

The fourth proportional to 89,388.82, 123,357.38 and 49,103.40 is: 67,763.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,388.82 : 123,357.38 = 49,103.40 : x
  2. Step 2: Convert to fraction form
    89,388.82/123,357.38 = 49,103.40/x
  3. Step 3: Cross multiply
    89,388.82x = 123,357.38 × 49,103.40
  4. Step 4: Simplify right side
    89,388.82x = 6,057,266,773.09
  5. Step 5: Solve for x
    x = 6,057,266,773.09/89,388.82
  6. Step 6: Final answer
    x = 67,763.14

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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.