Home / 108,717.11-163,127.20-52,525.72

Finding the Fourth Proportional to 108,717.11, 163,127.20 and 52,525.72

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Solution

The fourth proportional to 108,717.11, 163,127.20 and 52,525.72 is: 78,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,717.11 : 163,127.20 = 52,525.72 : x
  2. Step 2: Convert to fraction form
    108,717.11/163,127.20 = 52,525.72/x
  3. Step 3: Cross multiply
    108,717.11x = 163,127.20 × 52,525.72
  4. Step 4: Simplify right side
    108,717.11x = 8,568,373,631.58
  5. Step 5: Solve for x
    x = 8,568,373,631.58/108,717.11
  6. Step 6: Final answer
    x = 78,813.48

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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.