Home / 40,906.20-61,323.30-27,715.80

Finding the Fourth Proportional to 40,906.20, 61,323.30 and 27,715.80

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Solution

The fourth proportional to 40,906.20, 61,323.30 and 27,715.80 is: 41,549.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,906.20 : 61,323.30 = 27,715.80 : x
  2. Step 2: Convert to fraction form
    40,906.20/61,323.30 = 27,715.80/x
  3. Step 3: Cross multiply
    40,906.20x = 61,323.30 × 27,715.80
  4. Step 4: Simplify right side
    40,906.20x = 1,699,624,318.14
  5. Step 5: Solve for x
    x = 1,699,624,318.14/40,906.20
  6. Step 6: Final answer
    x = 41,549.31

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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.