Home / 66,152.76-99,179.92-28,705.85

Finding the Fourth Proportional to 66,152.76, 99,179.92 and 28,705.85

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Solution

The fourth proportional to 66,152.76, 99,179.92 and 28,705.85 is: 43,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,152.76 : 99,179.92 = 28,705.85 : x
  2. Step 2: Convert to fraction form
    66,152.76/99,179.92 = 28,705.85/x
  3. Step 3: Cross multiply
    66,152.76x = 99,179.92 × 28,705.85
  4. Step 4: Simplify right side
    66,152.76x = 2,847,043,906.53
  5. Step 5: Solve for x
    x = 2,847,043,906.53/66,152.76
  6. Step 6: Final answer
    x = 43,037.42

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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.