Home / 107,911.20-161,858.16-36,827.76

Finding the Fourth Proportional to 107,911.20, 161,858.16 and 36,827.76

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Solution

The fourth proportional to 107,911.20, 161,858.16 and 36,827.76 is: 55,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,911.20 : 161,858.16 = 36,827.76 : x
  2. Step 2: Convert to fraction form
    107,911.20/161,858.16 = 36,827.76/x
  3. Step 3: Cross multiply
    107,911.20x = 161,858.16 × 36,827.76
  4. Step 4: Simplify right side
    107,911.20x = 5,960,873,470.52
  5. Step 5: Solve for x
    x = 5,960,873,470.52/107,911.20
  6. Step 6: Final answer
    x = 55,238.69

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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.