Home / 109,582.50-151,224.66-67,169.28

Finding the Fourth Proportional to 109,582.50, 151,224.66 and 67,169.28

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Solution

The fourth proportional to 109,582.50, 151,224.66 and 67,169.28 is: 92,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,582.50 : 151,224.66 = 67,169.28 : x
  2. Step 2: Convert to fraction form
    109,582.50/151,224.66 = 67,169.28/x
  3. Step 3: Cross multiply
    109,582.50x = 151,224.66 × 67,169.28
  4. Step 4: Simplify right side
    109,582.50x = 10,157,651,530.44
  5. Step 5: Solve for x
    x = 10,157,651,530.44/109,582.50
  6. Step 6: Final answer
    x = 92,694.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.