Home / 115,964.20-173,744.70-53,506.60

Finding the Fourth Proportional to 115,964.20, 173,744.70 and 53,506.60

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Solution

The fourth proportional to 115,964.20, 173,744.70 and 53,506.60 is: 80,166.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,964.20 : 173,744.70 = 53,506.60 : x
  2. Step 2: Convert to fraction form
    115,964.20/173,744.70 = 53,506.60/x
  3. Step 3: Cross multiply
    115,964.20x = 173,744.70 × 53,506.60
  4. Step 4: Simplify right side
    115,964.20x = 9,296,488,165.02
  5. Step 5: Solve for x
    x = 9,296,488,165.02/115,964.20
  6. Step 6: Final answer
    x = 80,166.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.