Home / 115,743.87-173,628.54-36,839.61

Finding the Fourth Proportional to 115,743.87, 173,628.54 and 36,839.61

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Solution

The fourth proportional to 115,743.87, 173,628.54 and 36,839.61 is: 55,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,743.87 : 173,628.54 = 36,839.61 : x
  2. Step 2: Convert to fraction form
    115,743.87/173,628.54 = 36,839.61/x
  3. Step 3: Cross multiply
    115,743.87x = 173,628.54 × 36,839.61
  4. Step 4: Simplify right side
    115,743.87x = 6,396,407,698.47
  5. Step 5: Solve for x
    x = 6,396,407,698.47/115,743.87
  6. Step 6: Final answer
    x = 55,263.47

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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.