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Finding the Fourth Proportional to 94,691.95, 130,674.81 and 60,700.42

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Solution

The fourth proportional to 94,691.95, 130,674.81 and 60,700.42 is: 83,766.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,691.95 : 130,674.81 = 60,700.42 : x
  2. Step 2: Convert to fraction form
    94,691.95/130,674.81 = 60,700.42/x
  3. Step 3: Cross multiply
    94,691.95x = 130,674.81 × 60,700.42
  4. Step 4: Simplify right side
    94,691.95x = 7,932,015,850.42
  5. Step 5: Solve for x
    x = 7,932,015,850.42/94,691.95
  6. Step 6: Final answer
    x = 83,766.53

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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.