Home / 83,826.20-115,680.97-45,586.57

Finding the Fourth Proportional to 83,826.20, 115,680.97 and 45,586.57

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Solution

The fourth proportional to 83,826.20, 115,680.97 and 45,586.57 is: 62,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,826.20 : 115,680.97 = 45,586.57 : x
  2. Step 2: Convert to fraction form
    83,826.20/115,680.97 = 45,586.57/x
  3. Step 3: Cross multiply
    83,826.20x = 115,680.97 × 45,586.57
  4. Step 4: Simplify right side
    83,826.20x = 5,273,498,461.34
  5. Step 5: Solve for x
    x = 5,273,498,461.34/83,826.20
  6. Step 6: Final answer
    x = 62,909.91

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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.