Home / 99,911.12-149,872.44-37,582.16

Finding the Fourth Proportional to 99,911.12, 149,872.44 and 37,582.16

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Solution

The fourth proportional to 99,911.12, 149,872.44 and 37,582.16 is: 56,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,911.12 : 149,872.44 = 37,582.16 : x
  2. Step 2: Convert to fraction form
    99,911.12/149,872.44 = 37,582.16/x
  3. Step 3: Cross multiply
    99,911.12x = 149,872.44 × 37,582.16
  4. Step 4: Simplify right side
    99,911.12x = 5,632,530,019.67
  5. Step 5: Solve for x
    x = 5,632,530,019.67/99,911.12
  6. Step 6: Final answer
    x = 56,375.41

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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.