Home / 98,267.20-135,609.19-55,828.06

Finding the Fourth Proportional to 98,267.20, 135,609.19 and 55,828.06

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Solution

The fourth proportional to 98,267.20, 135,609.19 and 55,828.06 is: 77,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,267.20 : 135,609.19 = 55,828.06 : x
  2. Step 2: Convert to fraction form
    98,267.20/135,609.19 = 55,828.06/x
  3. Step 3: Cross multiply
    98,267.20x = 135,609.19 × 55,828.06
  4. Step 4: Simplify right side
    98,267.20x = 7,570,797,517.28
  5. Step 5: Solve for x
    x = 7,570,797,517.28/98,267.20
  6. Step 6: Final answer
    x = 77,042.98

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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.