Home / 73,175.48-109,754.83-19,145.38

Finding the Fourth Proportional to 73,175.48, 109,754.83 and 19,145.38

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Solution

The fourth proportional to 73,175.48, 109,754.83 and 19,145.38 is: 28,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,175.48 : 109,754.83 = 19,145.38 : x
  2. Step 2: Convert to fraction form
    73,175.48/109,754.83 = 19,145.38/x
  3. Step 3: Cross multiply
    73,175.48x = 109,754.83 × 19,145.38
  4. Step 4: Simplify right side
    73,175.48x = 2,101,298,039.26
  5. Step 5: Solve for x
    x = 2,101,298,039.26/73,175.48
  6. Step 6: Final answer
    x = 28,715.88

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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.