Home / 54,479.42-81,723.83-15,036.53

Finding the Fourth Proportional to 54,479.42, 81,723.83 and 15,036.53

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Solution

The fourth proportional to 54,479.42, 81,723.83 and 15,036.53 is: 22,556.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,479.42 : 81,723.83 = 15,036.53 : x
  2. Step 2: Convert to fraction form
    54,479.42/81,723.83 = 15,036.53/x
  3. Step 3: Cross multiply
    54,479.42x = 81,723.83 × 15,036.53
  4. Step 4: Simplify right side
    54,479.42x = 1,228,842,821.51
  5. Step 5: Solve for x
    x = 1,228,842,821.51/54,479.42
  6. Step 6: Final answer
    x = 22,556.09

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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.