Home / 68,375.94-94,367.45-39,689.46

Finding the Fourth Proportional to 68,375.94, 94,367.45 and 39,689.46

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Solution

The fourth proportional to 68,375.94, 94,367.45 and 39,689.46 is: 54,776.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,375.94 : 94,367.45 = 39,689.46 : x
  2. Step 2: Convert to fraction form
    68,375.94/94,367.45 = 39,689.46/x
  3. Step 3: Cross multiply
    68,375.94x = 94,367.45 × 39,689.46
  4. Step 4: Simplify right side
    68,375.94x = 3,745,393,132.08
  5. Step 5: Solve for x
    x = 3,745,393,132.08/68,375.94
  6. Step 6: Final answer
    x = 54,776.48

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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.