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Finding the Fourth Proportional to 71,265.88, 106,841.94 and 33,807.16

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Solution

The fourth proportional to 71,265.88, 106,841.94 and 33,807.16 is: 50,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,265.88 : 106,841.94 = 33,807.16 : x
  2. Step 2: Convert to fraction form
    71,265.88/106,841.94 = 33,807.16/x
  3. Step 3: Cross multiply
    71,265.88x = 106,841.94 × 33,807.16
  4. Step 4: Simplify right side
    71,265.88x = 3,612,022,560.29
  5. Step 5: Solve for x
    x = 3,612,022,560.29/71,265.88
  6. Step 6: Final answer
    x = 50,683.76

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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.