Home / 109,118.91-163,660.14-30,241.11

Finding the Fourth Proportional to 109,118.91, 163,660.14 and 30,241.11

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Solution

The fourth proportional to 109,118.91, 163,660.14 and 30,241.11 is: 45,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,118.91 : 163,660.14 = 30,241.11 : x
  2. Step 2: Convert to fraction form
    109,118.91/163,660.14 = 30,241.11/x
  3. Step 3: Cross multiply
    109,118.91x = 163,660.14 × 30,241.11
  4. Step 4: Simplify right side
    109,118.91x = 4,949,264,296.36
  5. Step 5: Solve for x
    x = 4,949,264,296.36/109,118.91
  6. Step 6: Final answer
    x = 45,356.61

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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.