Home / 87,536.92-131,322.57-31,361.89

Finding the Fourth Proportional to 87,536.92, 131,322.57 and 31,361.89

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Solution

The fourth proportional to 87,536.92, 131,322.57 and 31,361.89 is: 47,048.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,536.92 : 131,322.57 = 31,361.89 : x
  2. Step 2: Convert to fraction form
    87,536.92/131,322.57 = 31,361.89/x
  3. Step 3: Cross multiply
    87,536.92x = 131,322.57 × 31,361.89
  4. Step 4: Simplify right side
    87,536.92x = 4,118,523,994.86
  5. Step 5: Solve for x
    x = 4,118,523,994.86/87,536.92
  6. Step 6: Final answer
    x = 47,048.99

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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.