Home / 108,716.11-163,125.70-52,524.72

Finding the Fourth Proportional to 108,716.11, 163,125.70 and 52,524.72

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Solution

The fourth proportional to 108,716.11, 163,125.70 and 52,524.72 is: 78,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,716.11 : 163,125.70 = 52,524.72 : x
  2. Step 2: Convert to fraction form
    108,716.11/163,125.70 = 52,524.72/x
  3. Step 3: Cross multiply
    108,716.11x = 163,125.70 × 52,524.72
  4. Step 4: Simplify right side
    108,716.11x = 8,568,131,585.99
  5. Step 5: Solve for x
    x = 8,568,131,585.99/108,716.11
  6. Step 6: Final answer
    x = 78,811.98

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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.