Home / 66,555.72-99,806.04-27,086.04

Finding the Fourth Proportional to 66,555.72, 99,806.04 and 27,086.04

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Solution

The fourth proportional to 66,555.72, 99,806.04 and 27,086.04 is: 40,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,555.72 : 99,806.04 = 27,086.04 : x
  2. Step 2: Convert to fraction form
    66,555.72/99,806.04 = 27,086.04/x
  3. Step 3: Cross multiply
    66,555.72x = 99,806.04 × 27,086.04
  4. Step 4: Simplify right side
    66,555.72x = 2,703,350,391.68
  5. Step 5: Solve for x
    x = 2,703,350,391.68/66,555.72
  6. Step 6: Final answer
    x = 40,617.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.