Home / 99,805.05-149,732.13-29,684.36

Finding the Fourth Proportional to 99,805.05, 149,732.13 and 29,684.36

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Solution

The fourth proportional to 99,805.05, 149,732.13 and 29,684.36 is: 44,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,805.05 : 149,732.13 = 29,684.36 : x
  2. Step 2: Convert to fraction form
    99,805.05/149,732.13 = 29,684.36/x
  3. Step 3: Cross multiply
    99,805.05x = 149,732.13 × 29,684.36
  4. Step 4: Simplify right side
    99,805.05x = 4,444,702,450.49
  5. Step 5: Solve for x
    x = 4,444,702,450.49/99,805.05
  6. Step 6: Final answer
    x = 44,533.84

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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.