Home / 115,100.20-172,660.43-35,156.22

Finding the Fourth Proportional to 115,100.20, 172,660.43 and 35,156.22

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Solution

The fourth proportional to 115,100.20, 172,660.43 and 35,156.22 is: 52,737.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,100.20 : 172,660.43 = 35,156.22 : x
  2. Step 2: Convert to fraction form
    115,100.20/172,660.43 = 35,156.22/x
  3. Step 3: Cross multiply
    115,100.20x = 172,660.43 × 35,156.22
  4. Step 4: Simplify right side
    115,100.20x = 6,070,088,062.37
  5. Step 5: Solve for x
    x = 6,070,088,062.37/115,100.20
  6. Step 6: Final answer
    x = 52,737.42

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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.