Home / 52,890.27-79,335.54-13,450.56

Finding the Fourth Proportional to 52,890.27, 79,335.54 and 13,450.56

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Solution

The fourth proportional to 52,890.27, 79,335.54 and 13,450.56 is: 20,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,890.27 : 79,335.54 = 13,450.56 : x
  2. Step 2: Convert to fraction form
    52,890.27/79,335.54 = 13,450.56/x
  3. Step 3: Cross multiply
    52,890.27x = 79,335.54 × 13,450.56
  4. Step 4: Simplify right side
    52,890.27x = 1,067,107,440.90
  5. Step 5: Solve for x
    x = 1,067,107,440.90/52,890.27
  6. Step 6: Final answer
    x = 20,175.87

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1.5x scale

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.