Home / 105,876.35-158,780.81-34,782.48

Finding the Fourth Proportional to 105,876.35, 158,780.81 and 34,782.48

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Solution

The fourth proportional to 105,876.35, 158,780.81 and 34,782.48 is: 52,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,876.35 : 158,780.81 = 34,782.48 : x
  2. Step 2: Convert to fraction form
    105,876.35/158,780.81 = 34,782.48/x
  3. Step 3: Cross multiply
    105,876.35x = 158,780.81 × 34,782.48
  4. Step 4: Simplify right side
    105,876.35x = 5,522,790,348.21
  5. Step 5: Solve for x
    x = 5,522,790,348.21/105,876.35
  6. Step 6: Final answer
    x = 52,162.64

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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.