Home / 115,241.49-172,847.66-45,170.01

Finding the Fourth Proportional to 115,241.49, 172,847.66 and 45,170.01

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Solution

The fourth proportional to 115,241.49, 172,847.66 and 45,170.01 is: 67,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,241.49 : 172,847.66 = 45,170.01 : x
  2. Step 2: Convert to fraction form
    115,241.49/172,847.66 = 45,170.01/x
  3. Step 3: Cross multiply
    115,241.49x = 172,847.66 × 45,170.01
  4. Step 4: Simplify right side
    115,241.49x = 7,807,530,304.83
  5. Step 5: Solve for x
    x = 7,807,530,304.83/115,241.49
  6. Step 6: Final answer
    x = 67,749.30

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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.