Home / 104,921.42-144,791.57-57,174.76

Finding the Fourth Proportional to 104,921.42, 144,791.57 and 57,174.76

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Solution

The fourth proportional to 104,921.42, 144,791.57 and 57,174.76 is: 78,901.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,921.42 : 144,791.57 = 57,174.76 : x
  2. Step 2: Convert to fraction form
    104,921.42/144,791.57 = 57,174.76/x
  3. Step 3: Cross multiply
    104,921.42x = 144,791.57 × 57,174.76
  4. Step 4: Simplify right side
    104,921.42x = 8,278,422,254.94
  5. Step 5: Solve for x
    x = 8,278,422,254.94/104,921.42
  6. Step 6: Final answer
    x = 78,901.16

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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.