Home / 55,131.48-82,711.08-17,694.90

Finding the Fourth Proportional to 55,131.48, 82,711.08 and 17,694.90

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Solution

The fourth proportional to 55,131.48, 82,711.08 and 17,694.90 is: 26,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,131.48 : 82,711.08 = 17,694.90 : x
  2. Step 2: Convert to fraction form
    55,131.48/82,711.08 = 17,694.90/x
  3. Step 3: Cross multiply
    55,131.48x = 82,711.08 × 17,694.90
  4. Step 4: Simplify right side
    55,131.48x = 1,463,564,289.49
  5. Step 5: Solve for x
    x = 1,463,564,289.49/55,131.48
  6. Step 6: Final answer
    x = 26,546.80

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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.