Home / 51,081.49-76,640.68-26,133.28

Finding the Fourth Proportional to 51,081.49, 76,640.68 and 26,133.28

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Solution

The fourth proportional to 51,081.49, 76,640.68 and 26,133.28 is: 39,209.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,081.49 : 76,640.68 = 26,133.28 : x
  2. Step 2: Convert to fraction form
    51,081.49/76,640.68 = 26,133.28/x
  3. Step 3: Cross multiply
    51,081.49x = 76,640.68 × 26,133.28
  4. Step 4: Simplify right side
    51,081.49x = 2,002,872,622.00
  5. Step 5: Solve for x
    x = 2,002,872,622.00/51,081.49
  6. Step 6: Final answer
    x = 39,209.37

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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.