Home / 115,540.40-173,359.20-62,987.60

Finding the Fourth Proportional to 115,540.40, 173,359.20 and 62,987.60

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Solution

The fourth proportional to 115,540.40, 173,359.20 and 62,987.60 is: 94,507.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,540.40 : 173,359.20 = 62,987.60 : x
  2. Step 2: Convert to fraction form
    115,540.40/173,359.20 = 62,987.60/x
  3. Step 3: Cross multiply
    115,540.40x = 173,359.20 × 62,987.60
  4. Step 4: Simplify right side
    115,540.40x = 10,919,479,945.92
  5. Step 5: Solve for x
    x = 10,919,479,945.92/115,540.40
  6. Step 6: Final answer
    x = 94,507.89

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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.