Home / 48,945.98-73,451.77-31,428.11

Finding the Fourth Proportional to 48,945.98, 73,451.77 and 31,428.11

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Solution

The fourth proportional to 48,945.98, 73,451.77 and 31,428.11 is: 47,163.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,945.98 : 73,451.77 = 31,428.11 : x
  2. Step 2: Convert to fraction form
    48,945.98/73,451.77 = 31,428.11/x
  3. Step 3: Cross multiply
    48,945.98x = 73,451.77 × 31,428.11
  4. Step 4: Simplify right side
    48,945.98x = 2,308,450,175.93
  5. Step 5: Solve for x
    x = 2,308,450,175.93/48,945.98
  6. Step 6: Final answer
    x = 47,163.23

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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.