Home / 107,823.70-161,680.33-57,945.79

Finding the Fourth Proportional to 107,823.70, 161,680.33 and 57,945.79

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Solution

The fourth proportional to 107,823.70, 161,680.33 and 57,945.79 is: 86,889.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,823.70 : 161,680.33 = 57,945.79 : x
  2. Step 2: Convert to fraction form
    107,823.70/161,680.33 = 57,945.79/x
  3. Step 3: Cross multiply
    107,823.70x = 161,680.33 × 57,945.79
  4. Step 4: Simplify right side
    107,823.70x = 9,368,694,449.31
  5. Step 5: Solve for x
    x = 9,368,694,449.31/107,823.70
  6. Step 6: Final answer
    x = 86,889.01

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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.