Home / 112,692.92-155,516.48-61,010.56

Finding the Fourth Proportional to 112,692.92, 155,516.48 and 61,010.56

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Solution

The fourth proportional to 112,692.92, 155,516.48 and 61,010.56 is: 84,194.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,692.92 : 155,516.48 = 61,010.56 : x
  2. Step 2: Convert to fraction form
    112,692.92/155,516.48 = 61,010.56/x
  3. Step 3: Cross multiply
    112,692.92x = 155,516.48 × 61,010.56
  4. Step 4: Simplify right side
    112,692.92x = 9,488,147,019.73
  5. Step 5: Solve for x
    x = 9,488,147,019.73/112,692.92
  6. Step 6: Final answer
    x = 84,194.71

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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.