Home / 68,785.87-94,925.49-40,104.73

Finding the Fourth Proportional to 68,785.87, 94,925.49 and 40,104.73

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Solution

The fourth proportional to 68,785.87, 94,925.49 and 40,104.73 is: 55,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,785.87 : 94,925.49 = 40,104.73 : x
  2. Step 2: Convert to fraction form
    68,785.87/94,925.49 = 40,104.73/x
  3. Step 3: Cross multiply
    68,785.87x = 94,925.49 × 40,104.73
  4. Step 4: Simplify right side
    68,785.87x = 3,806,961,146.57
  5. Step 5: Solve for x
    x = 3,806,961,146.57/68,785.87
  6. Step 6: Final answer
    x = 55,345.10

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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.