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Finding the Fourth Proportional to 68,157, 94,062.42 and 38,354.76

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Solution

The fourth proportional to 68,157, 94,062.42 and 38,354.76 is: 52,932.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,157 : 94,062.42 = 38,354.76 : x
  2. Step 2: Convert to fraction form
    68,157/94,062.42 = 38,354.76/x
  3. Step 3: Cross multiply
    68,157x = 94,062.42 × 38,354.76
  4. Step 4: Simplify right side
    68,157x = 3,607,741,544.12
  5. Step 5: Solve for x
    x = 3,607,741,544.12/68,157
  6. Step 6: Final answer
    x = 52,932.81

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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.