Home / 47,365.84-71,049.08-12,305.56

Finding the Fourth Proportional to 47,365.84, 71,049.08 and 12,305.56

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Solution

The fourth proportional to 47,365.84, 71,049.08 and 12,305.56 is: 18,458.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,365.84 : 71,049.08 = 12,305.56 : x
  2. Step 2: Convert to fraction form
    47,365.84/71,049.08 = 12,305.56/x
  3. Step 3: Cross multiply
    47,365.84x = 71,049.08 × 12,305.56
  4. Step 4: Simplify right side
    47,365.84x = 874,298,716.88
  5. Step 5: Solve for x
    x = 874,298,716.88/47,365.84
  6. Step 6: Final answer
    x = 18,458.42

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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.