Home / 87,669.33-131,507.90-26,875.12

Finding the Fourth Proportional to 87,669.33, 131,507.90 and 26,875.12

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Solution

The fourth proportional to 87,669.33, 131,507.90 and 26,875.12 is: 40,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,669.33 : 131,507.90 = 26,875.12 : x
  2. Step 2: Convert to fraction form
    87,669.33/131,507.90 = 26,875.12/x
  3. Step 3: Cross multiply
    87,669.33x = 131,507.90 × 26,875.12
  4. Step 4: Simplify right side
    87,669.33x = 3,534,290,593.45
  5. Step 5: Solve for x
    x = 3,534,290,593.45/87,669.33
  6. Step 6: Final answer
    x = 40,313.88

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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.