Home / 114,872.88-172,338.24-35,987.76

Finding the Fourth Proportional to 114,872.88, 172,338.24 and 35,987.76

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Solution

The fourth proportional to 114,872.88, 172,338.24 and 35,987.76 is: 53,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,872.88 : 172,338.24 = 35,987.76 : x
  2. Step 2: Convert to fraction form
    114,872.88/172,338.24 = 35,987.76/x
  3. Step 3: Cross multiply
    114,872.88x = 172,338.24 × 35,987.76
  4. Step 4: Simplify right side
    114,872.88x = 6,202,067,219.94
  5. Step 5: Solve for x
    x = 6,202,067,219.94/114,872.88
  6. Step 6: Final answer
    x = 53,990.70

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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.