Home / 57,122.82-78,818.55-36,976.92

Finding the Fourth Proportional to 57,122.82, 78,818.55 and 36,976.92

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Solution

The fourth proportional to 57,122.82, 78,818.55 and 36,976.92 is: 51,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,122.82 : 78,818.55 = 36,976.92 : x
  2. Step 2: Convert to fraction form
    57,122.82/78,818.55 = 36,976.92/x
  3. Step 3: Cross multiply
    57,122.82x = 78,818.55 × 36,976.92
  4. Step 4: Simplify right side
    57,122.82x = 2,914,467,217.87
  5. Step 5: Solve for x
    x = 2,914,467,217.87/57,122.82
  6. Step 6: Final answer
    x = 51,021.07

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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.