Home / 107,518.57-161,295.30-35,449.96

Finding the Fourth Proportional to 107,518.57, 161,295.30 and 35,449.96

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Solution

The fourth proportional to 107,518.57, 161,295.30 and 35,449.96 is: 53,180.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,518.57 : 161,295.30 = 35,449.96 : x
  2. Step 2: Convert to fraction form
    107,518.57/161,295.30 = 35,449.96/x
  3. Step 3: Cross multiply
    107,518.57x = 161,295.30 × 35,449.96
  4. Step 4: Simplify right side
    107,518.57x = 5,717,911,161.05
  5. Step 5: Solve for x
    x = 5,717,911,161.05/107,518.57
  6. Step 6: Final answer
    x = 53,180.68

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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.