Home / 81,986.15-113,165.97-48,002.60

Finding the Fourth Proportional to 81,986.15, 113,165.97 and 48,002.60

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Solution

The fourth proportional to 81,986.15, 113,165.97 and 48,002.60 is: 66,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,986.15 : 113,165.97 = 48,002.60 : x
  2. Step 2: Convert to fraction form
    81,986.15/113,165.97 = 48,002.60/x
  3. Step 3: Cross multiply
    81,986.15x = 113,165.97 × 48,002.60
  4. Step 4: Simplify right side
    81,986.15x = 5,432,260,791.52
  5. Step 5: Solve for x
    x = 5,432,260,791.52/81,986.15
  6. Step 6: Final answer
    x = 66,258.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.