Home / 66,577.53-99,917.43-27,167.79

Finding the Fourth Proportional to 66,577.53, 99,917.43 and 27,167.79

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Solution

The fourth proportional to 66,577.53, 99,917.43 and 27,167.79 is: 40,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,577.53 : 99,917.43 = 27,167.79 : x
  2. Step 2: Convert to fraction form
    66,577.53/99,917.43 = 27,167.79/x
  3. Step 3: Cross multiply
    66,577.53x = 99,917.43 × 27,167.79
  4. Step 4: Simplify right side
    66,577.53x = 2,714,535,755.58
  5. Step 5: Solve for x
    x = 2,714,535,755.58/66,577.53
  6. Step 6: Final answer
    x = 40,772.55

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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.