Home / 104,720.92-144,568.38-80,793.88

Finding the Fourth Proportional to 104,720.92, 144,568.38 and 80,793.88

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Solution

The fourth proportional to 104,720.92, 144,568.38 and 80,793.88 is: 111,536.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,720.92 : 144,568.38 = 80,793.88 : x
  2. Step 2: Convert to fraction form
    104,720.92/144,568.38 = 80,793.88/x
  3. Step 3: Cross multiply
    104,720.92x = 144,568.38 × 80,793.88
  4. Step 4: Simplify right side
    104,720.92x = 11,680,240,345.51
  5. Step 5: Solve for x
    x = 11,680,240,345.51/104,720.92
  6. Step 6: Final answer
    x = 111,536.84

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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.