Home / 73,836.20-110,754.30-54,007.40

Finding the Fourth Proportional to 73,836.20, 110,754.30 and 54,007.40

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Solution

The fourth proportional to 73,836.20, 110,754.30 and 54,007.40 is: 81,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,836.20 : 110,754.30 = 54,007.40 : x
  2. Step 2: Convert to fraction form
    73,836.20/110,754.30 = 54,007.40/x
  3. Step 3: Cross multiply
    73,836.20x = 110,754.30 × 54,007.40
  4. Step 4: Simplify right side
    73,836.20x = 5,981,551,781.82
  5. Step 5: Solve for x
    x = 5,981,551,781.82/73,836.20
  6. Step 6: Final answer
    x = 81,011.10

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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.