Home / 59,121.40-88,682.10-55,204.60

Finding the Fourth Proportional to 59,121.40, 88,682.10 and 55,204.60

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Solution

The fourth proportional to 59,121.40, 88,682.10 and 55,204.60 is: 82,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,121.40 : 88,682.10 = 55,204.60 : x
  2. Step 2: Convert to fraction form
    59,121.40/88,682.10 = 55,204.60/x
  3. Step 3: Cross multiply
    59,121.40x = 88,682.10 × 55,204.60
  4. Step 4: Simplify right side
    59,121.40x = 4,895,659,857.66
  5. Step 5: Solve for x
    x = 4,895,659,857.66/59,121.40
  6. Step 6: Final answer
    x = 82,806.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.