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Finding the Fourth Proportional to 66,377.60, 99,525.52 and 32,600.64

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Solution

The fourth proportional to 66,377.60, 99,525.52 and 32,600.64 is: 48,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,377.60 : 99,525.52 = 32,600.64 : x
  2. Step 2: Convert to fraction form
    66,377.60/99,525.52 = 32,600.64/x
  3. Step 3: Cross multiply
    66,377.60x = 99,525.52 × 32,600.64
  4. Step 4: Simplify right side
    66,377.60x = 3,244,595,648.33
  5. Step 5: Solve for x
    x = 3,244,595,648.33/66,377.60
  6. Step 6: Final answer
    x = 48,880.88

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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.