Home / 82,877.28-114,340.65-54,213.31

Finding the Fourth Proportional to 82,877.28, 114,340.65 and 54,213.31

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Solution

The fourth proportional to 82,877.28, 114,340.65 and 54,213.31 is: 74,794.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,877.28 : 114,340.65 = 54,213.31 : x
  2. Step 2: Convert to fraction form
    82,877.28/114,340.65 = 54,213.31/x
  3. Step 3: Cross multiply
    82,877.28x = 114,340.65 × 54,213.31
  4. Step 4: Simplify right side
    82,877.28x = 6,198,785,104.05
  5. Step 5: Solve for x
    x = 6,198,785,104.05/82,877.28
  6. Step 6: Final answer
    x = 74,794.75

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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.