Home / 99,168.62-136,853.70-53,847.02

Finding the Fourth Proportional to 99,168.62, 136,853.70 and 53,847.02

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Solution

The fourth proportional to 99,168.62, 136,853.70 and 53,847.02 is: 74,309.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,168.62 : 136,853.70 = 53,847.02 : x
  2. Step 2: Convert to fraction form
    99,168.62/136,853.70 = 53,847.02/x
  3. Step 3: Cross multiply
    99,168.62x = 136,853.70 × 53,847.02
  4. Step 4: Simplify right side
    99,168.62x = 7,369,163,920.97
  5. Step 5: Solve for x
    x = 7,369,163,920.97/99,168.62
  6. Step 6: Final answer
    x = 74,309.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.