Home / 120,059.48-165,673.82-66,344.00

Finding the Fourth Proportional to 120,059.48, 165,673.82 and 66,344.00

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Solution

The fourth proportional to 120,059.48, 165,673.82 and 66,344.00 is: 91,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,059.48 : 165,673.82 = 66,344.00 : x
  2. Step 2: Convert to fraction form
    120,059.48/165,673.82 = 66,344.00/x
  3. Step 3: Cross multiply
    120,059.48x = 165,673.82 × 66,344.00
  4. Step 4: Simplify right side
    120,059.48x = 10,991,463,251.57
  5. Step 5: Solve for x
    x = 10,991,463,251.57/120,059.48
  6. Step 6: Final answer
    x = 91,550.15

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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.