Home / 83,717.60-125,576.40-54,168.80

Finding the Fourth Proportional to 83,717.60, 125,576.40 and 54,168.80

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Solution

The fourth proportional to 83,717.60, 125,576.40 and 54,168.80 is: 81,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,717.60 : 125,576.40 = 54,168.80 : x
  2. Step 2: Convert to fraction form
    83,717.60/125,576.40 = 54,168.80/x
  3. Step 3: Cross multiply
    83,717.60x = 125,576.40 × 54,168.80
  4. Step 4: Simplify right side
    83,717.60x = 6,802,322,896.32
  5. Step 5: Solve for x
    x = 6,802,322,896.32/83,717.60
  6. Step 6: Final answer
    x = 81,253.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.