Home / 54,894.15-82,342.13-15,452.21

Finding the Fourth Proportional to 54,894.15, 82,342.13 and 15,452.21

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Solution

The fourth proportional to 54,894.15, 82,342.13 and 15,452.21 is: 23,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,894.15 : 82,342.13 = 15,452.21 : x
  2. Step 2: Convert to fraction form
    54,894.15/82,342.13 = 15,452.21/x
  3. Step 3: Cross multiply
    54,894.15x = 82,342.13 × 15,452.21
  4. Step 4: Simplify right side
    54,894.15x = 1,272,367,395.64
  5. Step 5: Solve for x
    x = 1,272,367,395.64/54,894.15
  6. Step 6: Final answer
    x = 23,178.56

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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.