Home / 67,187.94-92,723.19-38,512.37

Finding the Fourth Proportional to 67,187.94, 92,723.19 and 38,512.37

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Solution

The fourth proportional to 67,187.94, 92,723.19 and 38,512.37 is: 53,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,187.94 : 92,723.19 = 38,512.37 : x
  2. Step 2: Convert to fraction form
    67,187.94/92,723.19 = 38,512.37/x
  3. Step 3: Cross multiply
    67,187.94x = 92,723.19 × 38,512.37
  4. Step 4: Simplify right side
    67,187.94x = 3,570,989,608.30
  5. Step 5: Solve for x
    x = 3,570,989,608.30/67,187.94
  6. Step 6: Final answer
    x = 53,149.26

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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.