Home / 57,364.14-79,162.43-31,872.85

Finding the Fourth Proportional to 57,364.14, 79,162.43 and 31,872.85

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Solution

The fourth proportional to 57,364.14, 79,162.43 and 31,872.85 is: 43,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,364.14 : 79,162.43 = 31,872.85 : x
  2. Step 2: Convert to fraction form
    57,364.14/79,162.43 = 31,872.85/x
  3. Step 3: Cross multiply
    57,364.14x = 79,162.43 × 31,872.85
  4. Step 4: Simplify right side
    57,364.14x = 2,523,131,899.76
  5. Step 5: Solve for x
    x = 2,523,131,899.76/57,364.14
  6. Step 6: Final answer
    x = 43,984.48

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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.