Home / 99,790.12-149,709.01-33,230.82

Finding the Fourth Proportional to 99,790.12, 149,709.01 and 33,230.82

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Solution

The fourth proportional to 99,790.12, 149,709.01 and 33,230.82 is: 49,854.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,790.12 : 149,709.01 = 33,230.82 : x
  2. Step 2: Convert to fraction form
    99,790.12/149,709.01 = 33,230.82/x
  3. Step 3: Cross multiply
    99,790.12x = 149,709.01 × 33,230.82
  4. Step 4: Simplify right side
    99,790.12x = 4,974,953,704.33
  5. Step 5: Solve for x
    x = 4,974,953,704.33/99,790.12
  6. Step 6: Final answer
    x = 49,854.17

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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.