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Finding the Fourth Proportional to 75,280.73, 112,964.83 and 33,727.73

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Solution

The fourth proportional to 75,280.73, 112,964.83 and 33,727.73 is: 50,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,280.73 : 112,964.83 = 33,727.73 : x
  2. Step 2: Convert to fraction form
    75,280.73/112,964.83 = 33,727.73/x
  3. Step 3: Cross multiply
    75,280.73x = 112,964.83 × 33,727.73
  4. Step 4: Simplify right side
    75,280.73x = 3,810,047,285.74
  5. Step 5: Solve for x
    x = 3,810,047,285.74/75,280.73
  6. Step 6: Final answer
    x = 50,611.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.