Home / 87,462.70-120,755.56-67,282.36

Finding the Fourth Proportional to 87,462.70, 120,755.56 and 67,282.36

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Solution

The fourth proportional to 87,462.70, 120,755.56 and 67,282.36 is: 92,893.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,462.70 : 120,755.56 = 67,282.36 : x
  2. Step 2: Convert to fraction form
    87,462.70/120,755.56 = 67,282.36/x
  3. Step 3: Cross multiply
    87,462.70x = 120,755.56 × 67,282.36
  4. Step 4: Simplify right side
    87,462.70x = 8,124,719,059.92
  5. Step 5: Solve for x
    x = 8,124,719,059.92/87,462.70
  6. Step 6: Final answer
    x = 92,893.53

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1.5x scale

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.