Home / 83,583.91-115,353.60-47,766.92

Finding the Fourth Proportional to 83,583.91, 115,353.60 and 47,766.92

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Solution

The fourth proportional to 83,583.91, 115,353.60 and 47,766.92 is: 65,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,583.91 : 115,353.60 = 47,766.92 : x
  2. Step 2: Convert to fraction form
    83,583.91/115,353.60 = 47,766.92/x
  3. Step 3: Cross multiply
    83,583.91x = 115,353.60 × 47,766.92
  4. Step 4: Simplify right side
    83,583.91x = 5,510,086,182.91
  5. Step 5: Solve for x
    x = 5,510,086,182.91/83,583.91
  6. Step 6: Final answer
    x = 65,922.81

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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.