Home / 120,024.60-165,632.46-66,305.82

Finding the Fourth Proportional to 120,024.60, 165,632.46 and 66,305.82

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Solution

The fourth proportional to 120,024.60, 165,632.46 and 66,305.82 is: 91,501.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,024.60 : 165,632.46 = 66,305.82 : x
  2. Step 2: Convert to fraction form
    120,024.60/165,632.46 = 66,305.82/x
  3. Step 3: Cross multiply
    120,024.60x = 165,632.46 × 66,305.82
  4. Step 4: Simplify right side
    120,024.60x = 10,982,396,078.92
  5. Step 5: Solve for x
    x = 10,982,396,078.92/120,024.60
  6. Step 6: Final answer
    x = 91,501.21

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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.