Home / 105,418.77-158,149.32-38,859.24

Finding the Fourth Proportional to 105,418.77, 158,149.32 and 38,859.24

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Solution

The fourth proportional to 105,418.77, 158,149.32 and 38,859.24 is: 58,296.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,418.77 : 158,149.32 = 38,859.24 : x
  2. Step 2: Convert to fraction form
    105,418.77/158,149.32 = 38,859.24/x
  3. Step 3: Cross multiply
    105,418.77x = 158,149.32 × 38,859.24
  4. Step 4: Simplify right side
    105,418.77x = 6,145,562,381.72
  5. Step 5: Solve for x
    x = 6,145,562,381.72/105,418.77
  6. Step 6: Final answer
    x = 58,296.66

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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.