Home / 34,105.80-51,155.14-9,148.52

Finding the Fourth Proportional to 34,105.80, 51,155.14 and 9,148.52

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Solution

The fourth proportional to 34,105.80, 51,155.14 and 9,148.52 is: 13,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,105.80 : 51,155.14 = 9,148.52 : x
  2. Step 2: Convert to fraction form
    34,105.80/51,155.14 = 9,148.52/x
  3. Step 3: Cross multiply
    34,105.80x = 51,155.14 × 9,148.52
  4. Step 4: Simplify right side
    34,105.80x = 467,993,821.39
  5. Step 5: Solve for x
    x = 467,993,821.39/34,105.80
  6. Step 6: Final answer
    x = 13,721.83

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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.