Home / 99,724.80-149,589.12-29,608.96

Finding the Fourth Proportional to 99,724.80, 149,589.12 and 29,608.96

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Solution

The fourth proportional to 99,724.80, 149,589.12 and 29,608.96 is: 44,414.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,724.80 : 149,589.12 = 29,608.96 : x
  2. Step 2: Convert to fraction form
    99,724.80/149,589.12 = 29,608.96/x
  3. Step 3: Cross multiply
    99,724.80x = 149,589.12 × 29,608.96
  4. Step 4: Simplify right side
    99,724.80x = 4,429,178,270.52
  5. Step 5: Solve for x
    x = 4,429,178,270.52/99,724.80
  6. Step 6: Final answer
    x = 44,414.01

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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.