Home / 69,360.11-95,717.28-39,146.70

Finding the Fourth Proportional to 69,360.11, 95,717.28 and 39,146.70

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Solution

The fourth proportional to 69,360.11, 95,717.28 and 39,146.70 is: 54,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,360.11 : 95,717.28 = 39,146.70 : x
  2. Step 2: Convert to fraction form
    69,360.11/95,717.28 = 39,146.70/x
  3. Step 3: Cross multiply
    69,360.11x = 95,717.28 × 39,146.70
  4. Step 4: Simplify right side
    69,360.11x = 3,747,016,150.72
  5. Step 5: Solve for x
    x = 3,747,016,150.72/69,360.11
  6. Step 6: Final answer
    x = 54,022.64

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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.