Home / 87,847.48-131,784.06-25,509.88

Finding the Fourth Proportional to 87,847.48, 131,784.06 and 25,509.88

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Solution

The fourth proportional to 87,847.48, 131,784.06 and 25,509.88 is: 38,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,847.48 : 131,784.06 = 25,509.88 : x
  2. Step 2: Convert to fraction form
    87,847.48/131,784.06 = 25,509.88/x
  3. Step 3: Cross multiply
    87,847.48x = 131,784.06 × 25,509.88
  4. Step 4: Simplify right side
    87,847.48x = 3,361,795,556.51
  5. Step 5: Solve for x
    x = 3,361,795,556.51/87,847.48
  6. Step 6: Final answer
    x = 38,268.55

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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.