Home / 107,530.07-161,327.88-54,976.46

Finding the Fourth Proportional to 107,530.07, 161,327.88 and 54,976.46

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Solution

The fourth proportional to 107,530.07, 161,327.88 and 54,976.46 is: 82,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,530.07 : 161,327.88 = 54,976.46 : x
  2. Step 2: Convert to fraction form
    107,530.07/161,327.88 = 54,976.46/x
  3. Step 3: Cross multiply
    107,530.07x = 161,327.88 × 54,976.46
  4. Step 4: Simplify right side
    107,530.07x = 8,869,234,935.07
  5. Step 5: Solve for x
    x = 8,869,234,935.07/107,530.07
  6. Step 6: Final answer
    x = 82,481.44

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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.