Home / 109,079.49-163,619.46-30,193.95

Finding the Fourth Proportional to 109,079.49, 163,619.46 and 30,193.95

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Solution

The fourth proportional to 109,079.49, 163,619.46 and 30,193.95 is: 45,290.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,079.49 : 163,619.46 = 30,193.95 : x
  2. Step 2: Convert to fraction form
    109,079.49/163,619.46 = 30,193.95/x
  3. Step 3: Cross multiply
    109,079.49x = 163,619.46 × 30,193.95
  4. Step 4: Simplify right side
    109,079.49x = 4,940,317,794.27
  5. Step 5: Solve for x
    x = 4,940,317,794.27/109,079.49
  6. Step 6: Final answer
    x = 45,290.99

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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.