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Finding the Fourth Proportional to 66,872.77, 100,238.45 and 24,725.78

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Solution

The fourth proportional to 66,872.77, 100,238.45 and 24,725.78 is: 37,062.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,872.77 : 100,238.45 = 24,725.78 : x
  2. Step 2: Convert to fraction form
    66,872.77/100,238.45 = 24,725.78/x
  3. Step 3: Cross multiply
    66,872.77x = 100,238.45 × 24,725.78
  4. Step 4: Simplify right side
    66,872.77x = 2,478,474,081.93
  5. Step 5: Solve for x
    x = 2,478,474,081.93/66,872.77
  6. Step 6: Final answer
    x = 37,062.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.