Home / 99,318.80-148,979.82-24,439.16

Finding the Fourth Proportional to 99,318.80, 148,979.82 and 24,439.16

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Solution

The fourth proportional to 99,318.80, 148,979.82 and 24,439.16 is: 36,659.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,318.80 : 148,979.82 = 24,439.16 : x
  2. Step 2: Convert to fraction form
    99,318.80/148,979.82 = 24,439.16/x
  3. Step 3: Cross multiply
    99,318.80x = 148,979.82 × 24,439.16
  4. Step 4: Simplify right side
    99,318.80x = 3,640,941,657.75
  5. Step 5: Solve for x
    x = 3,640,941,657.75/99,318.80
  6. Step 6: Final answer
    x = 36,659.14

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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.