Home / 109,716.08-164,574.10-38,621.97

Finding the Fourth Proportional to 109,716.08, 164,574.10 and 38,621.97

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Solution

The fourth proportional to 109,716.08, 164,574.10 and 38,621.97 is: 57,932.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,716.08 : 164,574.10 = 38,621.97 : x
  2. Step 2: Convert to fraction form
    109,716.08/164,574.10 = 38,621.97/x
  3. Step 3: Cross multiply
    109,716.08x = 164,574.10 × 38,621.97
  4. Step 4: Simplify right side
    109,716.08x = 6,356,175,952.98
  5. Step 5: Solve for x
    x = 6,356,175,952.98/109,716.08
  6. Step 6: Final answer
    x = 57,932.95

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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.