Home / 87,742.88-131,594.88-35,138.24

Finding the Fourth Proportional to 87,742.88, 131,594.88 and 35,138.24

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Solution

The fourth proportional to 87,742.88, 131,594.88 and 35,138.24 is: 52,699.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,742.88 : 131,594.88 = 35,138.24 : x
  2. Step 2: Convert to fraction form
    87,742.88/131,594.88 = 35,138.24/x
  3. Step 3: Cross multiply
    87,742.88x = 131,594.88 × 35,138.24
  4. Step 4: Simplify right side
    87,742.88x = 4,624,012,476.21
  5. Step 5: Solve for x
    x = 4,624,012,476.21/87,742.88
  6. Step 6: Final answer
    x = 52,699.57

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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.