Home / 99,619.43-137,473.61-54,297.27

Finding the Fourth Proportional to 99,619.43, 137,473.61 and 54,297.27

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Solution

The fourth proportional to 99,619.43, 137,473.61 and 54,297.27 is: 74,929.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,619.43 : 137,473.61 = 54,297.27 : x
  2. Step 2: Convert to fraction form
    99,619.43/137,473.61 = 54,297.27/x
  3. Step 3: Cross multiply
    99,619.43x = 137,473.61 × 54,297.27
  4. Step 4: Simplify right side
    99,619.43x = 7,464,442,167.70
  5. Step 5: Solve for x
    x = 7,464,442,167.70/99,619.43
  6. Step 6: Final answer
    x = 74,929.58

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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.