Home / 89,658.42-123,728.97-53,849.04

Finding the Fourth Proportional to 89,658.42, 123,728.97 and 53,849.04

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Solution

The fourth proportional to 89,658.42, 123,728.97 and 53,849.04 is: 74,311.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,658.42 : 123,728.97 = 53,849.04 : x
  2. Step 2: Convert to fraction form
    89,658.42/123,728.97 = 53,849.04/x
  3. Step 3: Cross multiply
    89,658.42x = 123,728.97 × 53,849.04
  4. Step 4: Simplify right side
    89,658.42x = 6,662,685,636.04
  5. Step 5: Solve for x
    x = 6,662,685,636.04/89,658.42
  6. Step 6: Final answer
    x = 74,311.88

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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.