Home / 115,085.10-172,651.18-48,525.30

Finding the Fourth Proportional to 115,085.10, 172,651.18 and 48,525.30

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Solution

The fourth proportional to 115,085.10, 172,651.18 and 48,525.30 is: 72,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,085.10 : 172,651.18 = 48,525.30 : x
  2. Step 2: Convert to fraction form
    115,085.10/172,651.18 = 48,525.30/x
  3. Step 3: Cross multiply
    115,085.10x = 172,651.18 × 48,525.30
  4. Step 4: Simplify right side
    115,085.10x = 8,377,950,304.85
  5. Step 5: Solve for x
    x = 8,377,950,304.85/115,085.10
  6. Step 6: Final answer
    x = 72,797.87

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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.