Home / 87,811.46-121,178.94-47,524.39

Finding the Fourth Proportional to 87,811.46, 121,178.94 and 47,524.39

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Solution

The fourth proportional to 87,811.46, 121,178.94 and 47,524.39 is: 65,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,811.46 : 121,178.94 = 47,524.39 : x
  2. Step 2: Convert to fraction form
    87,811.46/121,178.94 = 47,524.39/x
  3. Step 3: Cross multiply
    87,811.46x = 121,178.94 × 47,524.39
  4. Step 4: Simplify right side
    87,811.46x = 5,758,954,723.18
  5. Step 5: Solve for x
    x = 5,758,954,723.18/87,811.46
  6. Step 6: Final answer
    x = 65,583.18

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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.