Home / 67,111.75-100,740.57-27,158.24

Finding the Fourth Proportional to 67,111.75, 100,740.57 and 27,158.24

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Solution

The fourth proportional to 67,111.75, 100,740.57 and 27,158.24 is: 40,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,111.75 : 100,740.57 = 27,158.24 : x
  2. Step 2: Convert to fraction form
    67,111.75/100,740.57 = 27,158.24/x
  3. Step 3: Cross multiply
    67,111.75x = 100,740.57 × 27,158.24
  4. Step 4: Simplify right side
    67,111.75x = 2,735,935,938.30
  5. Step 5: Solve for x
    x = 2,735,935,938.30/67,111.75
  6. Step 6: Final answer
    x = 40,766.87

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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.