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Finding the Fourth Proportional to 82,695.92, 114,122.76 and 50,883.44

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Solution

The fourth proportional to 82,695.92, 114,122.76 and 50,883.44 is: 70,220.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,695.92 : 114,122.76 = 50,883.44 : x
  2. Step 2: Convert to fraction form
    82,695.92/114,122.76 = 50,883.44/x
  3. Step 3: Cross multiply
    82,695.92x = 114,122.76 × 50,883.44
  4. Step 4: Simplify right side
    82,695.92x = 5,806,958,611.09
  5. Step 5: Solve for x
    x = 5,806,958,611.09/82,695.92
  6. Step 6: Final answer
    x = 70,220.62

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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.