Home / 109,310.25-163,976.19-30,424.44

Finding the Fourth Proportional to 109,310.25, 163,976.19 and 30,424.44

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Solution

The fourth proportional to 109,310.25, 163,976.19 and 30,424.44 is: 45,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,310.25 : 163,976.19 = 30,424.44 : x
  2. Step 2: Convert to fraction form
    109,310.25/163,976.19 = 30,424.44/x
  3. Step 3: Cross multiply
    109,310.25x = 163,976.19 × 30,424.44
  4. Step 4: Simplify right side
    109,310.25x = 4,988,883,754.08
  5. Step 5: Solve for x
    x = 4,988,883,754.08/109,310.25
  6. Step 6: Final answer
    x = 45,639.67

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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.