Home / 80,960.60-121,449-24,800.06

Finding the Fourth Proportional to 80,960.60, 121,449 and 24,800.06

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Solution

The fourth proportional to 80,960.60, 121,449 and 24,800.06 is: 37,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,960.60 : 121,449 = 24,800.06 : x
  2. Step 2: Convert to fraction form
    80,960.60/121,449 = 24,800.06/x
  3. Step 3: Cross multiply
    80,960.60x = 121,449 × 24,800.06
  4. Step 4: Simplify right side
    80,960.60x = 3,011,942,486.94
  5. Step 5: Solve for x
    x = 3,011,942,486.94/80,960.60
  6. Step 6: Final answer
    x = 37,202.57

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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.