Home / 99,708.29-149,506.30-33,112.72

Finding the Fourth Proportional to 99,708.29, 149,506.30 and 33,112.72

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Solution

The fourth proportional to 99,708.29, 149,506.30 and 33,112.72 is: 49,650.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,708.29 : 149,506.30 = 33,112.72 : x
  2. Step 2: Convert to fraction form
    99,708.29/149,506.30 = 33,112.72/x
  3. Step 3: Cross multiply
    99,708.29x = 149,506.30 × 33,112.72
  4. Step 4: Simplify right side
    99,708.29x = 4,950,560,250.14
  5. Step 5: Solve for x
    x = 4,950,560,250.14/99,708.29
  6. Step 6: Final answer
    x = 49,650.44

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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.