Home / 68,321.18-94,283.38-38,108.45

Finding the Fourth Proportional to 68,321.18, 94,283.38 and 38,108.45

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Solution

The fourth proportional to 68,321.18, 94,283.38 and 38,108.45 is: 52,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,321.18 : 94,283.38 = 38,108.45 : x
  2. Step 2: Convert to fraction form
    68,321.18/94,283.38 = 38,108.45/x
  3. Step 3: Cross multiply
    68,321.18x = 94,283.38 × 38,108.45
  4. Step 4: Simplify right side
    68,321.18x = 3,592,993,472.56
  5. Step 5: Solve for x
    x = 3,592,993,472.56/68,321.18
  6. Step 6: Final answer
    x = 52,589.75

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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.