Home / 87,965.01-131,848.49-43,623.59

Finding the Fourth Proportional to 87,965.01, 131,848.49 and 43,623.59

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Solution

The fourth proportional to 87,965.01, 131,848.49 and 43,623.59 is: 65,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,965.01 : 131,848.49 = 43,623.59 : x
  2. Step 2: Convert to fraction form
    87,965.01/131,848.49 = 43,623.59/x
  3. Step 3: Cross multiply
    87,965.01x = 131,848.49 × 43,623.59
  4. Step 4: Simplify right side
    87,965.01x = 5,751,703,919.70
  5. Step 5: Solve for x
    x = 5,751,703,919.70/87,965.01
  6. Step 6: Final answer
    x = 65,386.27

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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.