Home / 115,085.43-172,629.99-35,125.11

Finding the Fourth Proportional to 115,085.43, 172,629.99 and 35,125.11

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Solution

The fourth proportional to 115,085.43, 172,629.99 and 35,125.11 is: 52,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,085.43 : 172,629.99 = 35,125.11 : x
  2. Step 2: Convert to fraction form
    115,085.43/172,629.99 = 35,125.11/x
  3. Step 3: Cross multiply
    115,085.43x = 172,629.99 × 35,125.11
  4. Step 4: Simplify right side
    115,085.43x = 6,063,647,388.05
  5. Step 5: Solve for x
    x = 6,063,647,388.05/115,085.43
  6. Step 6: Final answer
    x = 52,688.23

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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.