Home / 68,517.68-94,552.25-39,839.63

Finding the Fourth Proportional to 68,517.68, 94,552.25 and 39,839.63

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Solution

The fourth proportional to 68,517.68, 94,552.25 and 39,839.63 is: 54,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,517.68 : 94,552.25 = 39,839.63 : x
  2. Step 2: Convert to fraction form
    68,517.68/94,552.25 = 39,839.63/x
  3. Step 3: Cross multiply
    68,517.68x = 94,552.25 × 39,839.63
  4. Step 4: Simplify right side
    68,517.68x = 3,766,925,983.71
  5. Step 5: Solve for x
    x = 3,766,925,983.71/68,517.68
  6. Step 6: Final answer
    x = 54,977.43

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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.