Home / 74,044.76-102,107.13-55,940.04

Finding the Fourth Proportional to 74,044.76, 102,107.13 and 55,940.04

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Solution

The fourth proportional to 74,044.76, 102,107.13 and 55,940.04 is: 77,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,044.76 : 102,107.13 = 55,940.04 : x
  2. Step 2: Convert to fraction form
    74,044.76/102,107.13 = 55,940.04/x
  3. Step 3: Cross multiply
    74,044.76x = 102,107.13 × 55,940.04
  4. Step 4: Simplify right side
    74,044.76x = 5,711,876,936.49
  5. Step 5: Solve for x
    x = 5,711,876,936.49/74,044.76
  6. Step 6: Final answer
    x = 77,140.87

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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.