Home / 104,921.56-144,791.94-57,175.12

Finding the Fourth Proportional to 104,921.56, 144,791.94 and 57,175.12

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Solution

The fourth proportional to 104,921.56, 144,791.94 and 57,175.12 is: 78,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,921.56 : 144,791.94 = 57,175.12 : x
  2. Step 2: Convert to fraction form
    104,921.56/144,791.94 = 57,175.12/x
  3. Step 3: Cross multiply
    104,921.56x = 144,791.94 × 57,175.12
  4. Step 4: Simplify right side
    104,921.56x = 8,278,496,544.53
  5. Step 5: Solve for x
    x = 8,278,496,544.53/104,921.56
  6. Step 6: Final answer
    x = 78,901.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.