Home / 67,211.24-92,763.78-38,919.56

Finding the Fourth Proportional to 67,211.24, 92,763.78 and 38,919.56

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Solution

The fourth proportional to 67,211.24, 92,763.78 and 38,919.56 is: 53,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,211.24 : 92,763.78 = 38,919.56 : x
  2. Step 2: Convert to fraction form
    67,211.24/92,763.78 = 38,919.56/x
  3. Step 3: Cross multiply
    67,211.24x = 92,763.78 × 38,919.56
  4. Step 4: Simplify right side
    67,211.24x = 3,610,325,501.54
  5. Step 5: Solve for x
    x = 3,610,325,501.54/67,211.24
  6. Step 6: Final answer
    x = 53,716.10

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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.