Home / 99,568.38-137,403.64-54,246.36

Finding the Fourth Proportional to 99,568.38, 137,403.64 and 54,246.36

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Solution

The fourth proportional to 99,568.38, 137,403.64 and 54,246.36 is: 74,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,568.38 : 137,403.64 = 54,246.36 : x
  2. Step 2: Convert to fraction form
    99,568.38/137,403.64 = 54,246.36/x
  3. Step 3: Cross multiply
    99,568.38x = 137,403.64 × 54,246.36
  4. Step 4: Simplify right side
    99,568.38x = 7,453,647,320.75
  5. Step 5: Solve for x
    x = 7,453,647,320.75/99,568.38
  6. Step 6: Final answer
    x = 74,859.58

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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.