Home / 98,641.33-136,092.38-55,615.43

Finding the Fourth Proportional to 98,641.33, 136,092.38 and 55,615.43

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Solution

The fourth proportional to 98,641.33, 136,092.38 and 55,615.43 is: 76,730.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,641.33 : 136,092.38 = 55,615.43 : x
  2. Step 2: Convert to fraction form
    98,641.33/136,092.38 = 55,615.43/x
  3. Step 3: Cross multiply
    98,641.33x = 136,092.38 × 55,615.43
  4. Step 4: Simplify right side
    98,641.33x = 7,568,836,295.58
  5. Step 5: Solve for x
    x = 7,568,836,295.58/98,641.33
  6. Step 6: Final answer
    x = 76,730.88

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1.5x scale

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.