Home / 83,546.68-125,432.34-82,665.40

Finding the Fourth Proportional to 83,546.68, 125,432.34 and 82,665.40

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Solution

The fourth proportional to 83,546.68, 125,432.34 and 82,665.40 is: 124,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,546.68 : 125,432.34 = 82,665.40 : x
  2. Step 2: Convert to fraction form
    83,546.68/125,432.34 = 82,665.40/x
  3. Step 3: Cross multiply
    83,546.68x = 125,432.34 × 82,665.40
  4. Step 4: Simplify right side
    83,546.68x = 10,368,914,559.04
  5. Step 5: Solve for x
    x = 10,368,914,559.04/83,546.68
  6. Step 6: Final answer
    x = 124,109.24

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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.