Home / 57,338.34-79,089.21-36,099.78

Finding the Fourth Proportional to 57,338.34, 79,089.21 and 36,099.78

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Solution

The fourth proportional to 57,338.34, 79,089.21 and 36,099.78 is: 49,793.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,338.34 : 79,089.21 = 36,099.78 : x
  2. Step 2: Convert to fraction form
    57,338.34/79,089.21 = 36,099.78/x
  3. Step 3: Cross multiply
    57,338.34x = 79,089.21 × 36,099.78
  4. Step 4: Simplify right side
    57,338.34x = 2,855,103,081.37
  5. Step 5: Solve for x
    x = 2,855,103,081.37/57,338.34
  6. Step 6: Final answer
    x = 49,793.96

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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.