Home / 115,150.72-172,749.39-48,591.01

Finding the Fourth Proportional to 115,150.72, 172,749.39 and 48,591.01

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Solution

The fourth proportional to 115,150.72, 172,749.39 and 48,591.01 is: 72,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,150.72 : 172,749.39 = 48,591.01 : x
  2. Step 2: Convert to fraction form
    115,150.72/172,749.39 = 48,591.01/x
  3. Step 3: Cross multiply
    115,150.72x = 172,749.39 × 48,591.01
  4. Step 4: Simplify right side
    115,150.72x = 8,394,067,336.98
  5. Step 5: Solve for x
    x = 8,394,067,336.98/115,150.72
  6. Step 6: Final answer
    x = 72,896.35

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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.