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Finding the Fourth Proportional to 68,610.60, 94,687.02 and 38,399.40

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Solution

The fourth proportional to 68,610.60, 94,687.02 and 38,399.40 is: 52,993.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,610.60 : 94,687.02 = 38,399.40 : x
  2. Step 2: Convert to fraction form
    68,610.60/94,687.02 = 38,399.40/x
  3. Step 3: Cross multiply
    68,610.60x = 94,687.02 × 38,399.40
  4. Step 4: Simplify right side
    68,610.60x = 3,635,924,755.79
  5. Step 5: Solve for x
    x = 3,635,924,755.79/68,610.60
  6. Step 6: Final answer
    x = 52,993.63

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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.