Home / 87,564.32-131,359.44-32,156

Finding the Fourth Proportional to 87,564.32, 131,359.44 and 32,156

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Solution

The fourth proportional to 87,564.32, 131,359.44 and 32,156 is: 48,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,564.32 : 131,359.44 = 32,156 : x
  2. Step 2: Convert to fraction form
    87,564.32/131,359.44 = 32,156/x
  3. Step 3: Cross multiply
    87,564.32x = 131,359.44 × 32,156
  4. Step 4: Simplify right side
    87,564.32x = 4,223,994,152.64
  5. Step 5: Solve for x
    x = 4,223,994,152.64/87,564.32
  6. Step 6: Final answer
    x = 48,238.76

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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.