Home / 103,339.73-155,044.09-40,161.85

Finding the Fourth Proportional to 103,339.73, 155,044.09 and 40,161.85

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Solution

The fourth proportional to 103,339.73, 155,044.09 and 40,161.85 is: 60,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,339.73 : 155,044.09 = 40,161.85 : x
  2. Step 2: Convert to fraction form
    103,339.73/155,044.09 = 40,161.85/x
  3. Step 3: Cross multiply
    103,339.73x = 155,044.09 × 40,161.85
  4. Step 4: Simplify right side
    103,339.73x = 6,226,857,285.16
  5. Step 5: Solve for x
    x = 6,226,857,285.16/103,339.73
  6. Step 6: Final answer
    x = 60,256.18

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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.