Home / 106,126.26-146,456.51-58,379.61

Finding the Fourth Proportional to 106,126.26, 146,456.51 and 58,379.61

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Solution

The fourth proportional to 106,126.26, 146,456.51 and 58,379.61 is: 80,565.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,126.26 : 146,456.51 = 58,379.61 : x
  2. Step 2: Convert to fraction form
    106,126.26/146,456.51 = 58,379.61/x
  3. Step 3: Cross multiply
    106,126.26x = 146,456.51 × 58,379.61
  4. Step 4: Simplify right side
    106,126.26x = 8,550,073,643.86
  5. Step 5: Solve for x
    x = 8,550,073,643.86/106,126.26
  6. Step 6: Final answer
    x = 80,565.11

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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.