Home / 70,891.24-106,235.10-55,021.80

Finding the Fourth Proportional to 70,891.24, 106,235.10 and 55,021.80

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Solution

The fourth proportional to 70,891.24, 106,235.10 and 55,021.80 is: 82,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,891.24 : 106,235.10 = 55,021.80 : x
  2. Step 2: Convert to fraction form
    70,891.24/106,235.10 = 55,021.80/x
  3. Step 3: Cross multiply
    70,891.24x = 106,235.10 × 55,021.80
  4. Step 4: Simplify right side
    70,891.24x = 5,845,246,425.18
  5. Step 5: Solve for x
    x = 5,845,246,425.18/70,891.24
  6. Step 6: Final answer
    x = 82,453.72

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1.5x scale

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.