Home / 54,265.85-74,891.49-31,606.91

Finding the Fourth Proportional to 54,265.85, 74,891.49 and 31,606.91

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Solution

The fourth proportional to 54,265.85, 74,891.49 and 31,606.91 is: 43,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,265.85 : 74,891.49 = 31,606.91 : x
  2. Step 2: Convert to fraction form
    54,265.85/74,891.49 = 31,606.91/x
  3. Step 3: Cross multiply
    54,265.85x = 74,891.49 × 31,606.91
  4. Step 4: Simplify right side
    54,265.85x = 2,367,088,372.06
  5. Step 5: Solve for x
    x = 2,367,088,372.06/54,265.85
  6. Step 6: Final answer
    x = 43,620.22

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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.