Home / 54,590.43-75,336.26-30,717.95

Finding the Fourth Proportional to 54,590.43, 75,336.26 and 30,717.95

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Solution

The fourth proportional to 54,590.43, 75,336.26 and 30,717.95 is: 42,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,590.43 : 75,336.26 = 30,717.95 : x
  2. Step 2: Convert to fraction form
    54,590.43/75,336.26 = 30,717.95/x
  3. Step 3: Cross multiply
    54,590.43x = 75,336.26 × 30,717.95
  4. Step 4: Simplify right side
    54,590.43x = 2,314,175,167.98
  5. Step 5: Solve for x
    x = 2,314,175,167.98/54,590.43
  6. Step 6: Final answer
    x = 42,391.59

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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.