Home / 79,664.43-109,934.98-43,854.13

Finding the Fourth Proportional to 79,664.43, 109,934.98 and 43,854.13

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Solution

The fourth proportional to 79,664.43, 109,934.98 and 43,854.13 is: 60,517.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,664.43 : 109,934.98 = 43,854.13 : x
  2. Step 2: Convert to fraction form
    79,664.43/109,934.98 = 43,854.13/x
  3. Step 3: Cross multiply
    79,664.43x = 109,934.98 × 43,854.13
  4. Step 4: Simplify right side
    79,664.43x = 4,821,102,904.47
  5. Step 5: Solve for x
    x = 4,821,102,904.47/79,664.43
  6. Step 6: Final answer
    x = 60,517.64

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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.