Home / 83,032.20-124,532.10-26,858.70

Finding the Fourth Proportional to 83,032.20, 124,532.10 and 26,858.70

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Solution

The fourth proportional to 83,032.20, 124,532.10 and 26,858.70 is: 40,282.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,032.20 : 124,532.10 = 26,858.70 : x
  2. Step 2: Convert to fraction form
    83,032.20/124,532.10 = 26,858.70/x
  3. Step 3: Cross multiply
    83,032.20x = 124,532.10 × 26,858.70
  4. Step 4: Simplify right side
    83,032.20x = 3,344,770,314.27
  5. Step 5: Solve for x
    x = 3,344,770,314.27/83,032.20
  6. Step 6: Final answer
    x = 40,282.81

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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.