Home / 67,400.10-92,997.72-38,723.27

Finding the Fourth Proportional to 67,400.10, 92,997.72 and 38,723.27

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Solution

The fourth proportional to 67,400.10, 92,997.72 and 38,723.27 is: 53,429.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,400.10 : 92,997.72 = 38,723.27 : x
  2. Step 2: Convert to fraction form
    67,400.10/92,997.72 = 38,723.27/x
  3. Step 3: Cross multiply
    67,400.10x = 92,997.72 × 38,723.27
  4. Step 4: Simplify right side
    67,400.10x = 3,601,175,355.96
  5. Step 5: Solve for x
    x = 3,601,175,355.96/67,400.10
  6. Step 6: Final answer
    x = 53,429.82

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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.