Home / 84,402.76-126,604.14-22,072.72

Finding the Fourth Proportional to 84,402.76, 126,604.14 and 22,072.72

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Solution

The fourth proportional to 84,402.76, 126,604.14 and 22,072.72 is: 33,109.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,402.76 : 126,604.14 = 22,072.72 : x
  2. Step 2: Convert to fraction form
    84,402.76/126,604.14 = 22,072.72/x
  3. Step 3: Cross multiply
    84,402.76x = 126,604.14 × 22,072.72
  4. Step 4: Simplify right side
    84,402.76x = 2,794,497,733.06
  5. Step 5: Solve for x
    x = 2,794,497,733.06/84,402.76
  6. Step 6: Final answer
    x = 33,109.08

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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.