Home / 99,704.53-149,524.45-33,126.78

Finding the Fourth Proportional to 99,704.53, 149,524.45 and 33,126.78

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Solution

The fourth proportional to 99,704.53, 149,524.45 and 33,126.78 is: 49,679.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,704.53 : 149,524.45 = 33,126.78 : x
  2. Step 2: Convert to fraction form
    99,704.53/149,524.45 = 33,126.78/x
  3. Step 3: Cross multiply
    99,704.53x = 149,524.45 × 33,126.78
  4. Step 4: Simplify right side
    99,704.53x = 4,953,264,037.67
  5. Step 5: Solve for x
    x = 4,953,264,037.67/99,704.53
  6. Step 6: Final answer
    x = 49,679.43

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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.