Home / 47,251.08-70,855.38-13,959.54

Finding the Fourth Proportional to 47,251.08, 70,855.38 and 13,959.54

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Solution

The fourth proportional to 47,251.08, 70,855.38 and 13,959.54 is: 20,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,251.08 : 70,855.38 = 13,959.54 : x
  2. Step 2: Convert to fraction form
    47,251.08/70,855.38 = 13,959.54/x
  3. Step 3: Cross multiply
    47,251.08x = 70,855.38 × 13,959.54
  4. Step 4: Simplify right side
    47,251.08x = 989,108,511.33
  5. Step 5: Solve for x
    x = 989,108,511.33/47,251.08
  6. Step 6: Final answer
    x = 20,933.03

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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.