Home / 87,612.58-131,425.89-34,993.18

Finding the Fourth Proportional to 87,612.58, 131,425.89 and 34,993.18

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Solution

The fourth proportional to 87,612.58, 131,425.89 and 34,993.18 is: 52,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,612.58 : 131,425.89 = 34,993.18 : x
  2. Step 2: Convert to fraction form
    87,612.58/131,425.89 = 34,993.18/x
  3. Step 3: Cross multiply
    87,612.58x = 131,425.89 × 34,993.18
  4. Step 4: Simplify right side
    87,612.58x = 4,599,009,825.43
  5. Step 5: Solve for x
    x = 4,599,009,825.43/87,612.58
  6. Step 6: Final answer
    x = 52,492.57

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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.