Home / 115,096.05-172,616.73-43,992.58

Finding the Fourth Proportional to 115,096.05, 172,616.73 and 43,992.58

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Solution

The fourth proportional to 115,096.05, 172,616.73 and 43,992.58 is: 65,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,096.05 : 172,616.73 = 43,992.58 : x
  2. Step 2: Convert to fraction form
    115,096.05/172,616.73 = 43,992.58/x
  3. Step 3: Cross multiply
    115,096.05x = 172,616.73 × 43,992.58
  4. Step 4: Simplify right side
    115,096.05x = 7,593,854,872.32
  5. Step 5: Solve for x
    x = 7,593,854,872.32/115,096.05
  6. Step 6: Final answer
    x = 65,978.41

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1.5x scale

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.