Home / 116,634.45-161,033.00-89,729.49

Finding the Fourth Proportional to 116,634.45, 161,033.00 and 89,729.49

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Solution

The fourth proportional to 116,634.45, 161,033.00 and 89,729.49 is: 123,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,634.45 : 161,033.00 = 89,729.49 : x
  2. Step 2: Convert to fraction form
    116,634.45/161,033.00 = 89,729.49/x
  3. Step 3: Cross multiply
    116,634.45x = 161,033.00 × 89,729.49
  4. Step 4: Simplify right side
    116,634.45x = 14,449,408,382.33
  5. Step 5: Solve for x
    x = 14,449,408,382.33/116,634.45
  6. Step 6: Final answer
    x = 123,886.29

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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.