Home / 106,255.87-146,630.25-58,509.61

Finding the Fourth Proportional to 106,255.87, 146,630.25 and 58,509.61

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Solution

The fourth proportional to 106,255.87, 146,630.25 and 58,509.61 is: 80,741.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,255.87 : 146,630.25 = 58,509.61 : x
  2. Step 2: Convert to fraction form
    106,255.87/146,630.25 = 58,509.61/x
  3. Step 3: Cross multiply
    106,255.87x = 146,630.25 × 58,509.61
  4. Step 4: Simplify right side
    106,255.87x = 8,579,278,741.70
  5. Step 5: Solve for x
    x = 8,579,278,741.70/106,255.87
  6. Step 6: Final answer
    x = 80,741.69

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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.