Home / 102,204.39-141,040.65-56,882.36

Finding the Fourth Proportional to 102,204.39, 141,040.65 and 56,882.36

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Solution

The fourth proportional to 102,204.39, 141,040.65 and 56,882.36 is: 78,496.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,204.39 : 141,040.65 = 56,882.36 : x
  2. Step 2: Convert to fraction form
    102,204.39/141,040.65 = 56,882.36/x
  3. Step 3: Cross multiply
    102,204.39x = 141,040.65 × 56,882.36
  4. Step 4: Simplify right side
    102,204.39x = 8,022,725,380.54
  5. Step 5: Solve for x
    x = 8,022,725,380.54/102,204.39
  6. Step 6: Final answer
    x = 78,496.88

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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.