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Finding the Fourth Proportional to 66,736.62, 100,113.66 and 24,646.25

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Solution

The fourth proportional to 66,736.62, 100,113.66 and 24,646.25 is: 36,972.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,736.62 : 100,113.66 = 24,646.25 : x
  2. Step 2: Convert to fraction form
    66,736.62/100,113.66 = 24,646.25/x
  3. Step 3: Cross multiply
    66,736.62x = 100,113.66 × 24,646.25
  4. Step 4: Simplify right side
    66,736.62x = 2,467,425,792.21
  5. Step 5: Solve for x
    x = 2,467,425,792.21/66,736.62
  6. Step 6: Final answer
    x = 36,972.59

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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.