Home / 87,369.03-131,053.66-26,579.82

Finding the Fourth Proportional to 87,369.03, 131,053.66 and 26,579.82

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Solution

The fourth proportional to 87,369.03, 131,053.66 and 26,579.82 is: 39,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,369.03 : 131,053.66 = 26,579.82 : x
  2. Step 2: Convert to fraction form
    87,369.03/131,053.66 = 26,579.82/x
  3. Step 3: Cross multiply
    87,369.03x = 131,053.66 × 26,579.82
  4. Step 4: Simplify right side
    87,369.03x = 3,483,382,693.14
  5. Step 5: Solve for x
    x = 3,483,382,693.14/87,369.03
  6. Step 6: Final answer
    x = 39,869.76

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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.