Home / 111,757.10-154,223.96-60,769.85

Finding the Fourth Proportional to 111,757.10, 154,223.96 and 60,769.85

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Solution

The fourth proportional to 111,757.10, 154,223.96 and 60,769.85 is: 83,861.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,757.10 : 154,223.96 = 60,769.85 : x
  2. Step 2: Convert to fraction form
    111,757.10/154,223.96 = 60,769.85/x
  3. Step 3: Cross multiply
    111,757.10x = 154,223.96 × 60,769.85
  4. Step 4: Simplify right side
    111,757.10x = 9,372,165,840.64
  5. Step 5: Solve for x
    x = 9,372,165,840.64/111,757.10
  6. Step 6: Final answer
    x = 83,861.93

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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.