Home / 68,738.08-94,866.42-38,531.56

Finding the Fourth Proportional to 68,738.08, 94,866.42 and 38,531.56

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Solution

The fourth proportional to 68,738.08, 94,866.42 and 38,531.56 is: 53,177.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,738.08 : 94,866.42 = 38,531.56 : x
  2. Step 2: Convert to fraction form
    68,738.08/94,866.42 = 38,531.56/x
  3. Step 3: Cross multiply
    68,738.08x = 94,866.42 × 38,531.56
  4. Step 4: Simplify right side
    68,738.08x = 3,655,351,154.22
  5. Step 5: Solve for x
    x = 3,655,351,154.22/68,738.08
  6. Step 6: Final answer
    x = 53,177.96

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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.