Home / 67,190.07-92,723.00-38,509.11

Finding the Fourth Proportional to 67,190.07, 92,723.00 and 38,509.11

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Solution

The fourth proportional to 67,190.07, 92,723.00 and 38,509.11 is: 53,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,190.07 : 92,723.00 = 38,509.11 : x
  2. Step 2: Convert to fraction form
    67,190.07/92,723.00 = 38,509.11/x
  3. Step 3: Cross multiply
    67,190.07x = 92,723.00 × 38,509.11
  4. Step 4: Simplify right side
    67,190.07x = 3,570,680,245.79
  5. Step 5: Solve for x
    x = 3,570,680,245.79/67,190.07
  6. Step 6: Final answer
    x = 53,142.97

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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.