Home / 99,472.16-149,212.35-29,351.47

Finding the Fourth Proportional to 99,472.16, 149,212.35 and 29,351.47

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Solution

The fourth proportional to 99,472.16, 149,212.35 and 29,351.47 is: 44,028.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,472.16 : 149,212.35 = 29,351.47 : x
  2. Step 2: Convert to fraction form
    99,472.16/149,212.35 = 29,351.47/x
  3. Step 3: Cross multiply
    99,472.16x = 149,212.35 × 29,351.47
  4. Step 4: Simplify right side
    99,472.16x = 4,379,601,814.65
  5. Step 5: Solve for x
    x = 4,379,601,814.65/99,472.16
  6. Step 6: Final answer
    x = 44,028.42

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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.