Home / 99,694.32-137,577.58-54,371.44

Finding the Fourth Proportional to 99,694.32, 137,577.58 and 54,371.44

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Solution

The fourth proportional to 99,694.32, 137,577.58 and 54,371.44 is: 75,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,694.32 : 137,577.58 = 54,371.44 : x
  2. Step 2: Convert to fraction form
    99,694.32/137,577.58 = 54,371.44/x
  3. Step 3: Cross multiply
    99,694.32x = 137,577.58 × 54,371.44
  4. Step 4: Simplify right side
    99,694.32x = 7,480,291,136.32
  5. Step 5: Solve for x
    x = 7,480,291,136.32/99,694.32
  6. Step 6: Final answer
    x = 75,032.27

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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.