Home / 87,667.36-131,520.48-25,333.12

Finding the Fourth Proportional to 87,667.36, 131,520.48 and 25,333.12

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Solution

The fourth proportional to 87,667.36, 131,520.48 and 25,333.12 is: 38,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,667.36 : 131,520.48 = 25,333.12 : x
  2. Step 2: Convert to fraction form
    87,667.36/131,520.48 = 25,333.12/x
  3. Step 3: Cross multiply
    87,667.36x = 131,520.48 × 25,333.12
  4. Step 4: Simplify right side
    87,667.36x = 3,331,824,102.30
  5. Step 5: Solve for x
    x = 3,331,824,102.30/87,667.36
  6. Step 6: Final answer
    x = 38,005.30

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1.5x scale

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.