Home / 59,517.21-82,137.39-39,339.11

Finding the Fourth Proportional to 59,517.21, 82,137.39 and 39,339.11

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Solution

The fourth proportional to 59,517.21, 82,137.39 and 39,339.11 is: 54,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,517.21 : 82,137.39 = 39,339.11 : x
  2. Step 2: Convert to fraction form
    59,517.21/82,137.39 = 39,339.11/x
  3. Step 3: Cross multiply
    59,517.21x = 82,137.39 × 39,339.11
  4. Step 4: Simplify right side
    59,517.21x = 3,231,211,409.64
  5. Step 5: Solve for x
    x = 3,231,211,409.64/59,517.21
  6. Step 6: Final answer
    x = 54,290.37

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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.