Home / 85,042.48-127,553.76-22,717.84

Finding the Fourth Proportional to 85,042.48, 127,553.76 and 22,717.84

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Solution

The fourth proportional to 85,042.48, 127,553.76 and 22,717.84 is: 34,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,042.48 : 127,553.76 = 22,717.84 : x
  2. Step 2: Convert to fraction form
    85,042.48/127,553.76 = 22,717.84/x
  3. Step 3: Cross multiply
    85,042.48x = 127,553.76 × 22,717.84
  4. Step 4: Simplify right side
    85,042.48x = 2,897,745,911.08
  5. Step 5: Solve for x
    x = 2,897,745,911.08/85,042.48
  6. Step 6: Final answer
    x = 34,074.10

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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.