Home / 79,132.92-109,200.14-43,322.04

Finding the Fourth Proportional to 79,132.92, 109,200.14 and 43,322.04

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Solution

The fourth proportional to 79,132.92, 109,200.14 and 43,322.04 is: 59,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132.92 : 109,200.14 = 43,322.04 : x
  2. Step 2: Convert to fraction form
    79,132.92/109,200.14 = 43,322.04/x
  3. Step 3: Cross multiply
    79,132.92x = 109,200.14 × 43,322.04
  4. Step 4: Simplify right side
    79,132.92x = 4,730,772,833.09
  5. Step 5: Solve for x
    x = 4,730,772,833.09/79,132.92
  6. Step 6: Final answer
    x = 59,782.61

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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.