Home / 115,084.10-172,649.68-48,524.30

Finding the Fourth Proportional to 115,084.10, 172,649.68 and 48,524.30

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Solution

The fourth proportional to 115,084.10, 172,649.68 and 48,524.30 is: 72,796.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,084.10 : 172,649.68 = 48,524.30 : x
  2. Step 2: Convert to fraction form
    115,084.10/172,649.68 = 48,524.30/x
  3. Step 3: Cross multiply
    115,084.10x = 172,649.68 × 48,524.30
  4. Step 4: Simplify right side
    115,084.10x = 8,377,704,867.22
  5. Step 5: Solve for x
    x = 8,377,704,867.22/115,084.10
  6. Step 6: Final answer
    x = 72,796.37

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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.