Home / 47,198.13-70,809.47-17,616.20

Finding the Fourth Proportional to 47,198.13, 70,809.47 and 17,616.20

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Solution

The fourth proportional to 47,198.13, 70,809.47 and 17,616.20 is: 26,428.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,198.13 : 70,809.47 = 17,616.20 : x
  2. Step 2: Convert to fraction form
    47,198.13/70,809.47 = 17,616.20/x
  3. Step 3: Cross multiply
    47,198.13x = 70,809.47 × 17,616.20
  4. Step 4: Simplify right side
    47,198.13x = 1,247,393,343.29
  5. Step 5: Solve for x
    x = 1,247,393,343.29/47,198.13
  6. Step 6: Final answer
    x = 26,428.87

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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.