Home / 112,843.56-169,375.50-53,720.04

Finding the Fourth Proportional to 112,843.56, 169,375.50 and 53,720.04

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Solution

The fourth proportional to 112,843.56, 169,375.50 and 53,720.04 is: 80,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,843.56 : 169,375.50 = 53,720.04 : x
  2. Step 2: Convert to fraction form
    112,843.56/169,375.50 = 53,720.04/x
  3. Step 3: Cross multiply
    112,843.56x = 169,375.50 × 53,720.04
  4. Step 4: Simplify right side
    112,843.56x = 9,098,858,635.02
  5. Step 5: Solve for x
    x = 9,098,858,635.02/112,843.56
  6. Step 6: Final answer
    x = 80,632.50

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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.