Home / 89,844.70-123,986.55-49,560.16

Finding the Fourth Proportional to 89,844.70, 123,986.55 and 49,560.16

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Solution

The fourth proportional to 89,844.70, 123,986.55 and 49,560.16 is: 68,393.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,844.70 : 123,986.55 = 49,560.16 : x
  2. Step 2: Convert to fraction form
    89,844.70/123,986.55 = 49,560.16/x
  3. Step 3: Cross multiply
    89,844.70x = 123,986.55 × 49,560.16
  4. Step 4: Simplify right side
    89,844.70x = 6,144,793,255.85
  5. Step 5: Solve for x
    x = 6,144,793,255.85/89,844.70
  6. Step 6: Final answer
    x = 68,393.50

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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.