Home / 81,119.97-121,691.60-24,964.83

Finding the Fourth Proportional to 81,119.97, 121,691.60 and 24,964.83

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Solution

The fourth proportional to 81,119.97, 121,691.60 and 24,964.83 is: 37,450.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,119.97 : 121,691.60 = 24,964.83 : x
  2. Step 2: Convert to fraction form
    81,119.97/121,691.60 = 24,964.83/x
  3. Step 3: Cross multiply
    81,119.97x = 121,691.60 × 24,964.83
  4. Step 4: Simplify right side
    81,119.97x = 3,038,009,981.60
  5. Step 5: Solve for x
    x = 3,038,009,981.60/81,119.97
  6. Step 6: Final answer
    x = 37,450.83

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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.