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Finding the Fourth Proportional to 60,872.92, 84,003.07 and 34,015.65

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Solution

The fourth proportional to 60,872.92, 84,003.07 and 34,015.65 is: 46,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,872.92 : 84,003.07 = 34,015.65 : x
  2. Step 2: Convert to fraction form
    60,872.92/84,003.07 = 34,015.65/x
  3. Step 3: Cross multiply
    60,872.92x = 84,003.07 × 34,015.65
  4. Step 4: Simplify right side
    60,872.92x = 2,857,419,199.44
  5. Step 5: Solve for x
    x = 2,857,419,199.44/60,872.92
  6. Step 6: Final answer
    x = 46,940.73

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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.