Home / 68,944.36-95,136.30-38,727.40

Finding the Fourth Proportional to 68,944.36, 95,136.30 and 38,727.40

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Solution

The fourth proportional to 68,944.36, 95,136.30 and 38,727.40 is: 53,439.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,944.36 : 95,136.30 = 38,727.40 : x
  2. Step 2: Convert to fraction form
    68,944.36/95,136.30 = 38,727.40/x
  3. Step 3: Cross multiply
    68,944.36x = 95,136.30 × 38,727.40
  4. Step 4: Simplify right side
    68,944.36x = 3,684,381,544.62
  5. Step 5: Solve for x
    x = 3,684,381,544.62/68,944.36
  6. Step 6: Final answer
    x = 53,439.93

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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.