Home / 109,513.05-164,269.59-38,491.44

Finding the Fourth Proportional to 109,513.05, 164,269.59 and 38,491.44

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Solution

The fourth proportional to 109,513.05, 164,269.59 and 38,491.44 is: 57,737.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,513.05 : 164,269.59 = 38,491.44 : x
  2. Step 2: Convert to fraction form
    109,513.05/164,269.59 = 38,491.44/x
  3. Step 3: Cross multiply
    109,513.05x = 164,269.59 × 38,491.44
  4. Step 4: Simplify right side
    109,513.05x = 6,322,973,067.31
  5. Step 5: Solve for x
    x = 6,322,973,067.31/109,513.05
  6. Step 6: Final answer
    x = 57,737.17

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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.