Home / 99,927.40-149,910.78-29,805.16

Finding the Fourth Proportional to 99,927.40, 149,910.78 and 29,805.16

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Solution

The fourth proportional to 99,927.40, 149,910.78 and 29,805.16 is: 44,713.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,927.40 : 149,910.78 = 29,805.16 : x
  2. Step 2: Convert to fraction form
    99,927.40/149,910.78 = 29,805.16/x
  3. Step 3: Cross multiply
    99,927.40x = 149,910.78 × 29,805.16
  4. Step 4: Simplify right side
    99,927.40x = 4,468,114,783.62
  5. Step 5: Solve for x
    x = 4,468,114,783.62/99,927.40
  6. Step 6: Final answer
    x = 44,713.61

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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.