Home / 79,003.28-108,959.57-56,335.03

Finding the Fourth Proportional to 79,003.28, 108,959.57 and 56,335.03

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Solution

The fourth proportional to 79,003.28, 108,959.57 and 56,335.03 is: 77,696.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,003.28 : 108,959.57 = 56,335.03 : x
  2. Step 2: Convert to fraction form
    79,003.28/108,959.57 = 56,335.03/x
  3. Step 3: Cross multiply
    79,003.28x = 108,959.57 × 56,335.03
  4. Step 4: Simplify right side
    79,003.28x = 6,138,240,099.94
  5. Step 5: Solve for x
    x = 6,138,240,099.94/79,003.28
  6. Step 6: Final answer
    x = 77,696.02

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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.