Home / 89,398.04-123,371.36-49,114.30

Finding the Fourth Proportional to 89,398.04, 123,371.36 and 49,114.30

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Solution

The fourth proportional to 89,398.04, 123,371.36 and 49,114.30 is: 67,778.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,398.04 : 123,371.36 = 49,114.30 : x
  2. Step 2: Convert to fraction form
    89,398.04/123,371.36 = 49,114.30/x
  3. Step 3: Cross multiply
    89,398.04x = 123,371.36 × 49,114.30
  4. Step 4: Simplify right side
    89,398.04x = 6,059,297,986.45
  5. Step 5: Solve for x
    x = 6,059,297,986.45/89,398.04
  6. Step 6: Final answer
    x = 67,778.87

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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.