Home / 83,882.20-125,531.70-57,638.20

Finding the Fourth Proportional to 83,882.20, 125,531.70 and 57,638.20

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Solution

The fourth proportional to 83,882.20, 125,531.70 and 57,638.20 is: 86,256.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,882.20 : 125,531.70 = 57,638.20 : x
  2. Step 2: Convert to fraction form
    83,882.20/125,531.70 = 57,638.20/x
  3. Step 3: Cross multiply
    83,882.20x = 125,531.70 × 57,638.20
  4. Step 4: Simplify right side
    83,882.20x = 7,235,421,230.94
  5. Step 5: Solve for x
    x = 7,235,421,230.94/83,882.20
  6. Step 6: Final answer
    x = 86,256.93

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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.