Home / 31,163.76-46,753.56-8,977.14

Finding the Fourth Proportional to 31,163.76, 46,753.56 and 8,977.14

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Solution

The fourth proportional to 31,163.76, 46,753.56 and 8,977.14 is: 13,467.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,163.76 : 46,753.56 = 8,977.14 : x
  2. Step 2: Convert to fraction form
    31,163.76/46,753.56 = 8,977.14/x
  3. Step 3: Cross multiply
    31,163.76x = 46,753.56 × 8,977.14
  4. Step 4: Simplify right side
    31,163.76x = 419,713,253.62
  5. Step 5: Solve for x
    x = 419,713,253.62/31,163.76
  6. Step 6: Final answer
    x = 13,467.99

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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.