Home / 109,078.66-163,599.76-30,200.86

Finding the Fourth Proportional to 109,078.66, 163,599.76 and 30,200.86

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Solution

The fourth proportional to 109,078.66, 163,599.76 and 30,200.86 is: 45,296.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,078.66 : 163,599.76 = 30,200.86 : x
  2. Step 2: Convert to fraction form
    109,078.66/163,599.76 = 30,200.86/x
  3. Step 3: Cross multiply
    109,078.66x = 163,599.76 × 30,200.86
  4. Step 4: Simplify right side
    109,078.66x = 4,940,853,447.79
  5. Step 5: Solve for x
    x = 4,940,853,447.79/109,078.66
  6. Step 6: Final answer
    x = 45,296.24

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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.