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Finding the Fourth Proportional to 71,259, 106,818.02 and 33,753.20

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Solution

The fourth proportional to 71,259, 106,818.02 and 33,753.20 is: 50,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,259 : 106,818.02 = 33,753.20 : x
  2. Step 2: Convert to fraction form
    71,259/106,818.02 = 33,753.20/x
  3. Step 3: Cross multiply
    71,259x = 106,818.02 × 33,753.20
  4. Step 4: Simplify right side
    71,259x = 3,605,449,992.66
  5. Step 5: Solve for x
    x = 3,605,449,992.66/71,259
  6. Step 6: Final answer
    x = 50,596.42

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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.