Home / 68,930.40-95,117.23-38,708.85

Finding the Fourth Proportional to 68,930.40, 95,117.23 and 38,708.85

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Solution

The fourth proportional to 68,930.40, 95,117.23 and 38,708.85 is: 53,414.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,930.40 : 95,117.23 = 38,708.85 : x
  2. Step 2: Convert to fraction form
    68,930.40/95,117.23 = 38,708.85/x
  3. Step 3: Cross multiply
    68,930.40x = 95,117.23 × 38,708.85
  4. Step 4: Simplify right side
    68,930.40x = 3,681,877,919.36
  5. Step 5: Solve for x
    x = 3,681,877,919.36/68,930.40
  6. Step 6: Final answer
    x = 53,414.43

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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.