Home / 89,687.14-123,769.08-49,401.04

Finding the Fourth Proportional to 89,687.14, 123,769.08 and 49,401.04

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Solution

The fourth proportional to 89,687.14, 123,769.08 and 49,401.04 is: 68,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,687.14 : 123,769.08 = 49,401.04 : x
  2. Step 2: Convert to fraction form
    89,687.14/123,769.08 = 49,401.04/x
  3. Step 3: Cross multiply
    89,687.14x = 123,769.08 × 49,401.04
  4. Step 4: Simplify right side
    89,687.14x = 6,114,321,271.84
  5. Step 5: Solve for x
    x = 6,114,321,271.84/89,687.14
  6. Step 6: Final answer
    x = 68,173.89

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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.