Home / 57,409.56-79,238.52-36,217.80

Finding the Fourth Proportional to 57,409.56, 79,238.52 and 36,217.80

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Solution

The fourth proportional to 57,409.56, 79,238.52 and 36,217.80 is: 49,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,409.56 : 79,238.52 = 36,217.80 : x
  2. Step 2: Convert to fraction form
    57,409.56/79,238.52 = 36,217.80/x
  3. Step 3: Cross multiply
    57,409.56x = 79,238.52 × 36,217.80
  4. Step 4: Simplify right side
    57,409.56x = 2,869,844,869.66
  5. Step 5: Solve for x
    x = 2,869,844,869.66/57,409.56
  6. Step 6: Final answer
    x = 49,988.97

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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.