Home / 85,882.50-118,517.85-48,156.75

Finding the Fourth Proportional to 85,882.50, 118,517.85 and 48,156.75

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Solution

The fourth proportional to 85,882.50, 118,517.85 and 48,156.75 is: 66,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,882.50 : 118,517.85 = 48,156.75 : x
  2. Step 2: Convert to fraction form
    85,882.50/118,517.85 = 48,156.75/x
  3. Step 3: Cross multiply
    85,882.50x = 118,517.85 × 48,156.75
  4. Step 4: Simplify right side
    85,882.50x = 5,707,434,472.99
  5. Step 5: Solve for x
    x = 5,707,434,472.99/85,882.50
  6. Step 6: Final answer
    x = 66,456.32

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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.