Home / 68,375.88-94,358.40-38,160.84

Finding the Fourth Proportional to 68,375.88, 94,358.40 and 38,160.84

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Solution

The fourth proportional to 68,375.88, 94,358.40 and 38,160.84 is: 52,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,375.88 : 94,358.40 = 38,160.84 : x
  2. Step 2: Convert to fraction form
    68,375.88/94,358.40 = 38,160.84/x
  3. Step 3: Cross multiply
    68,375.88x = 94,358.40 × 38,160.84
  4. Step 4: Simplify right side
    68,375.88x = 3,600,795,805.06
  5. Step 5: Solve for x
    x = 3,600,795,805.06/68,375.88
  6. Step 6: Final answer
    x = 52,661.78

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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.