Home / 69,744.74-104,591.76-38,178.11

Finding the Fourth Proportional to 69,744.74, 104,591.76 and 38,178.11

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Solution

The fourth proportional to 69,744.74, 104,591.76 and 38,178.11 is: 57,253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,744.74 : 104,591.76 = 38,178.11 : x
  2. Step 2: Convert to fraction form
    69,744.74/104,591.76 = 38,178.11/x
  3. Step 3: Cross multiply
    69,744.74x = 104,591.76 × 38,178.11
  4. Step 4: Simplify right side
    69,744.74x = 3,993,115,718.37
  5. Step 5: Solve for x
    x = 3,993,115,718.37/69,744.74
  6. Step 6: Final answer
    x = 57,253.29

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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.