Home / 83,827.55-115,676.21-49,834.28

Finding the Fourth Proportional to 83,827.55, 115,676.21 and 49,834.28

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Solution

The fourth proportional to 83,827.55, 115,676.21 and 49,834.28 is: 68,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,827.55 : 115,676.21 = 49,834.28 : x
  2. Step 2: Convert to fraction form
    83,827.55/115,676.21 = 49,834.28/x
  3. Step 3: Cross multiply
    83,827.55x = 115,676.21 × 49,834.28
  4. Step 4: Simplify right side
    83,827.55x = 5,764,639,810.93
  5. Step 5: Solve for x
    x = 5,764,639,810.93/83,827.55
  6. Step 6: Final answer
    x = 68,767.85

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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.