Home / 99,553.87-137,375.22-59,277.43

Finding the Fourth Proportional to 99,553.87, 137,375.22 and 59,277.43

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Solution

The fourth proportional to 99,553.87, 137,375.22 and 59,277.43 is: 81,797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,553.87 : 137,375.22 = 59,277.43 : x
  2. Step 2: Convert to fraction form
    99,553.87/137,375.22 = 59,277.43/x
  3. Step 3: Cross multiply
    99,553.87x = 137,375.22 × 59,277.43
  4. Step 4: Simplify right side
    99,553.87x = 8,143,249,987.28
  5. Step 5: Solve for x
    x = 8,143,249,987.28/99,553.87
  6. Step 6: Final answer
    x = 81,797.42

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1.5x scale

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.