Home / 115,388.91-173,160.68-40,509.27

Finding the Fourth Proportional to 115,388.91, 173,160.68 and 40,509.27

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Solution

The fourth proportional to 115,388.91, 173,160.68 and 40,509.27 is: 60,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,388.91 : 173,160.68 = 40,509.27 : x
  2. Step 2: Convert to fraction form
    115,388.91/173,160.68 = 40,509.27/x
  3. Step 3: Cross multiply
    115,388.91x = 173,160.68 × 40,509.27
  4. Step 4: Simplify right side
    115,388.91x = 7,014,613,267.48
  5. Step 5: Solve for x
    x = 7,014,613,267.48/115,388.91
  6. Step 6: Final answer
    x = 60,791.05

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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.