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Finding the Fourth Proportional to 71,227.27, 106,893.40 and 33,787.45

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Solution

The fourth proportional to 71,227.27, 106,893.40 and 33,787.45 is: 50,706.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,227.27 : 106,893.40 = 33,787.45 : x
  2. Step 2: Convert to fraction form
    71,227.27/106,893.40 = 33,787.45/x
  3. Step 3: Cross multiply
    71,227.27x = 106,893.40 × 33,787.45
  4. Step 4: Simplify right side
    71,227.27x = 3,611,655,407.83
  5. Step 5: Solve for x
    x = 3,611,655,407.83/71,227.27
  6. Step 6: Final answer
    x = 50,706.08

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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.