Home / 115,747.70-173,679.15-45,629.30

Finding the Fourth Proportional to 115,747.70, 173,679.15 and 45,629.30

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Solution

The fourth proportional to 115,747.70, 173,679.15 and 45,629.30 is: 68,466.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,747.70 : 173,679.15 = 45,629.30 : x
  2. Step 2: Convert to fraction form
    115,747.70/173,679.15 = 45,629.30/x
  3. Step 3: Cross multiply
    115,747.70x = 173,679.15 × 45,629.30
  4. Step 4: Simplify right side
    115,747.70x = 7,924,858,039.10
  5. Step 5: Solve for x
    x = 7,924,858,039.10/115,747.70
  6. Step 6: Final answer
    x = 68,466.66

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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.