Home / 57,372.20-79,174.56-31,880.84

Finding the Fourth Proportional to 57,372.20, 79,174.56 and 31,880.84

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Solution

The fourth proportional to 57,372.20, 79,174.56 and 31,880.84 is: 43,996.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,372.20 : 79,174.56 = 31,880.84 : x
  2. Step 2: Convert to fraction form
    57,372.20/79,174.56 = 31,880.84/x
  3. Step 3: Cross multiply
    57,372.20x = 79,174.56 × 31,880.84
  4. Step 4: Simplify right side
    57,372.20x = 2,524,151,479.43
  5. Step 5: Solve for x
    x = 2,524,151,479.43/57,372.20
  6. Step 6: Final answer
    x = 43,996.07

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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.