Home / 57,177.57-78,728.91-50,793.09

Finding the Fourth Proportional to 57,177.57, 78,728.91 and 50,793.09

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Solution

The fourth proportional to 57,177.57, 78,728.91 and 50,793.09 is: 69,938.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,177.57 : 78,728.91 = 50,793.09 : x
  2. Step 2: Convert to fraction form
    57,177.57/78,728.91 = 50,793.09/x
  3. Step 3: Cross multiply
    57,177.57x = 78,728.91 × 50,793.09
  4. Step 4: Simplify right side
    57,177.57x = 3,998,884,611.23
  5. Step 5: Solve for x
    x = 3,998,884,611.23/57,177.57
  6. Step 6: Final answer
    x = 69,938.00

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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.