Home / 99,633.37-137,493.91-54,311.44

Finding the Fourth Proportional to 99,633.37, 137,493.91 and 54,311.44

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Solution

The fourth proportional to 99,633.37, 137,493.91 and 54,311.44 is: 74,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,633.37 : 137,493.91 = 54,311.44 : x
  2. Step 2: Convert to fraction form
    99,633.37/137,493.91 = 54,311.44/x
  3. Step 3: Cross multiply
    99,633.37x = 137,493.91 × 54,311.44
  4. Step 4: Simplify right side
    99,633.37x = 7,467,492,243.33
  5. Step 5: Solve for x
    x = 7,467,492,243.33/99,633.37
  6. Step 6: Final answer
    x = 74,949.71

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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.