Home / 107,673.20-161,546.33-47,693.61

Finding the Fourth Proportional to 107,673.20, 161,546.33 and 47,693.61

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Solution

The fourth proportional to 107,673.20, 161,546.33 and 47,693.61 is: 71,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,673.20 : 161,546.33 = 47,693.61 : x
  2. Step 2: Convert to fraction form
    107,673.20/161,546.33 = 47,693.61/x
  3. Step 3: Cross multiply
    107,673.20x = 161,546.33 × 47,693.61
  4. Step 4: Simplify right side
    107,673.20x = 7,704,727,813.81
  5. Step 5: Solve for x
    x = 7,704,727,813.81/107,673.20
  6. Step 6: Final answer
    x = 71,556.60

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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.