Home / 99,584.52-149,397.26-68,434.44

Finding the Fourth Proportional to 99,584.52, 149,397.26 and 68,434.44

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Solution

The fourth proportional to 99,584.52, 149,397.26 and 68,434.44 is: 102,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,584.52 : 149,397.26 = 68,434.44 : x
  2. Step 2: Convert to fraction form
    99,584.52/149,397.26 = 68,434.44/x
  3. Step 3: Cross multiply
    99,584.52x = 149,397.26 × 68,434.44
  4. Step 4: Simplify right side
    99,584.52x = 10,223,917,825.63
  5. Step 5: Solve for x
    x = 10,223,917,825.63/99,584.52
  6. Step 6: Final answer
    x = 102,665.73

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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.