Home / 98,132.83-135,422.92-55,106.34

Finding the Fourth Proportional to 98,132.83, 135,422.92 and 55,106.34

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Solution

The fourth proportional to 98,132.83, 135,422.92 and 55,106.34 is: 76,046.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,132.83 : 135,422.92 = 55,106.34 : x
  2. Step 2: Convert to fraction form
    98,132.83/135,422.92 = 55,106.34/x
  3. Step 3: Cross multiply
    98,132.83x = 135,422.92 × 55,106.34
  4. Step 4: Simplify right side
    98,132.83x = 7,462,660,520.67
  5. Step 5: Solve for x
    x = 7,462,660,520.67/98,132.83
  6. Step 6: Final answer
    x = 76,046.52

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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.