Home / 66,553.72-99,830.16-16,633.56

Finding the Fourth Proportional to 66,553.72, 99,830.16 and 16,633.56

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Solution

The fourth proportional to 66,553.72, 99,830.16 and 16,633.56 is: 24,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,553.72 : 99,830.16 = 16,633.56 : x
  2. Step 2: Convert to fraction form
    66,553.72/99,830.16 = 16,633.56/x
  3. Step 3: Cross multiply
    66,553.72x = 99,830.16 × 16,633.56
  4. Step 4: Simplify right side
    66,553.72x = 1,660,530,956.17
  5. Step 5: Solve for x
    x = 1,660,530,956.17/66,553.72
  6. Step 6: Final answer
    x = 24,950.24

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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.