Home / 98,288.40-135,763.38-82,454.52

Finding the Fourth Proportional to 98,288.40, 135,763.38 and 82,454.52

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Solution

The fourth proportional to 98,288.40, 135,763.38 and 82,454.52 is: 113,892.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,288.40 : 135,763.38 = 82,454.52 : x
  2. Step 2: Convert to fraction form
    98,288.40/135,763.38 = 82,454.52/x
  3. Step 3: Cross multiply
    98,288.40x = 135,763.38 × 82,454.52
  4. Step 4: Simplify right side
    98,288.40x = 11,194,304,331.48
  5. Step 5: Solve for x
    x = 11,194,304,331.48/98,288.40
  6. Step 6: Final answer
    x = 113,892.43

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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.