Home / 117,619.80-176,429.70-38,736.60

Finding the Fourth Proportional to 117,619.80, 176,429.70 and 38,736.60

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Solution

The fourth proportional to 117,619.80, 176,429.70 and 38,736.60 is: 58,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,619.80 : 176,429.70 = 38,736.60 : x
  2. Step 2: Convert to fraction form
    117,619.80/176,429.70 = 38,736.60/x
  3. Step 3: Cross multiply
    117,619.80x = 176,429.70 × 38,736.60
  4. Step 4: Simplify right side
    117,619.80x = 6,834,286,717.02
  5. Step 5: Solve for x
    x = 6,834,286,717.02/117,619.80
  6. Step 6: Final answer
    x = 58,104.90

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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.