Home / 109,120.06-150,563.10-63,789.28

Finding the Fourth Proportional to 109,120.06, 150,563.10 and 63,789.28

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Solution

The fourth proportional to 109,120.06, 150,563.10 and 63,789.28 is: 88,016.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,120.06 : 150,563.10 = 63,789.28 : x
  2. Step 2: Convert to fraction form
    109,120.06/150,563.10 = 63,789.28/x
  3. Step 3: Cross multiply
    109,120.06x = 150,563.10 × 63,789.28
  4. Step 4: Simplify right side
    109,120.06x = 9,604,311,743.57
  5. Step 5: Solve for x
    x = 9,604,311,743.57/109,120.06
  6. Step 6: Final answer
    x = 88,016.00

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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.