Home / 88,843.79-122,519.60-58,171.11

Finding the Fourth Proportional to 88,843.79, 122,519.60 and 58,171.11

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Solution

The fourth proportional to 88,843.79, 122,519.60 and 58,171.11 is: 80,220.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,843.79 : 122,519.60 = 58,171.11 : x
  2. Step 2: Convert to fraction form
    88,843.79/122,519.60 = 58,171.11/x
  3. Step 3: Cross multiply
    88,843.79x = 122,519.60 × 58,171.11
  4. Step 4: Simplify right side
    88,843.79x = 7,127,101,128.76
  5. Step 5: Solve for x
    x = 7,127,101,128.76/88,843.79
  6. Step 6: Final answer
    x = 80,220.59

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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.