Home / 52,815.21-79,222.07-12,834.49

Finding the Fourth Proportional to 52,815.21, 79,222.07 and 12,834.49

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Solution

The fourth proportional to 52,815.21, 79,222.07 and 12,834.49 is: 19,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,815.21 : 79,222.07 = 12,834.49 : x
  2. Step 2: Convert to fraction form
    52,815.21/79,222.07 = 12,834.49/x
  3. Step 3: Cross multiply
    52,815.21x = 79,222.07 × 12,834.49
  4. Step 4: Simplify right side
    52,815.21x = 1,016,774,996.31
  5. Step 5: Solve for x
    x = 1,016,774,996.31/52,815.21
  6. Step 6: Final answer
    x = 19,251.56

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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.