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Finding the Fourth Proportional to 80,394.09, 110,994.01 and 51,763.39

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Solution

The fourth proportional to 80,394.09, 110,994.01 and 51,763.39 is: 71,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,394.09 : 110,994.01 = 51,763.39 : x
  2. Step 2: Convert to fraction form
    80,394.09/110,994.01 = 51,763.39/x
  3. Step 3: Cross multiply
    80,394.09x = 110,994.01 × 51,763.39
  4. Step 4: Simplify right side
    80,394.09x = 5,745,426,227.29
  5. Step 5: Solve for x
    x = 5,745,426,227.29/80,394.09
  6. Step 6: Final answer
    x = 71,465.78

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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.