Home / 87,234.88-120,263.20-58,895.68

Finding the Fourth Proportional to 87,234.88, 120,263.20 and 58,895.68

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Solution

The fourth proportional to 87,234.88, 120,263.20 and 58,895.68 is: 81,194.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,234.88 : 120,263.20 = 58,895.68 : x
  2. Step 2: Convert to fraction form
    87,234.88/120,263.20 = 58,895.68/x
  3. Step 3: Cross multiply
    87,234.88x = 120,263.20 × 58,895.68
  4. Step 4: Simplify right side
    87,234.88x = 7,082,982,942.98
  5. Step 5: Solve for x
    x = 7,082,982,942.98/87,234.88
  6. Step 6: Final answer
    x = 81,194.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.