Home / 107,507.66-161,219.97-51,318.77

Finding the Fourth Proportional to 107,507.66, 161,219.97 and 51,318.77

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Solution

The fourth proportional to 107,507.66, 161,219.97 and 51,318.77 is: 76,958.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,507.66 : 161,219.97 = 51,318.77 : x
  2. Step 2: Convert to fraction form
    107,507.66/161,219.97 = 51,318.77/x
  3. Step 3: Cross multiply
    107,507.66x = 161,219.97 × 51,318.77
  4. Step 4: Simplify right side
    107,507.66x = 8,273,609,753.74
  5. Step 5: Solve for x
    x = 8,273,609,753.74/107,507.66
  6. Step 6: Final answer
    x = 76,958.33

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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.