Home / 54,558.45-75,325.59-49,178.43

Finding the Fourth Proportional to 54,558.45, 75,325.59 and 49,178.43

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Solution

The fourth proportional to 54,558.45, 75,325.59 and 49,178.43 is: 67,897.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,558.45 : 75,325.59 = 49,178.43 : x
  2. Step 2: Convert to fraction form
    54,558.45/75,325.59 = 49,178.43/x
  3. Step 3: Cross multiply
    54,558.45x = 75,325.59 × 49,178.43
  4. Step 4: Simplify right side
    54,558.45x = 3,704,394,255.02
  5. Step 5: Solve for x
    x = 3,704,394,255.02/54,558.45
  6. Step 6: Final answer
    x = 67,897.72

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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.