Home / 57,151.08-78,861.75-32,951.78

Finding the Fourth Proportional to 57,151.08, 78,861.75 and 32,951.78

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Solution

The fourth proportional to 57,151.08, 78,861.75 and 32,951.78 is: 45,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,151.08 : 78,861.75 = 32,951.78 : x
  2. Step 2: Convert to fraction form
    57,151.08/78,861.75 = 32,951.78/x
  3. Step 3: Cross multiply
    57,151.08x = 78,861.75 × 32,951.78
  4. Step 4: Simplify right side
    57,151.08x = 2,598,635,036.42
  5. Step 5: Solve for x
    x = 2,598,635,036.42/57,151.08
  6. Step 6: Final answer
    x = 45,469.57

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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.