Home / 54,481.32-81,566.04-36,919.92

Finding the Fourth Proportional to 54,481.32, 81,566.04 and 36,919.92

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Solution

The fourth proportional to 54,481.32, 81,566.04 and 36,919.92 is: 55,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481.32 : 81,566.04 = 36,919.92 : x
  2. Step 2: Convert to fraction form
    54,481.32/81,566.04 = 36,919.92/x
  3. Step 3: Cross multiply
    54,481.32x = 81,566.04 × 36,919.92
  4. Step 4: Simplify right side
    54,481.32x = 3,011,411,671.52
  5. Step 5: Solve for x
    x = 3,011,411,671.52/54,481.32
  6. Step 6: Final answer
    x = 55,274.21

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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.