Home / 69,863.04-104,472.66-51,885.22

Finding the Fourth Proportional to 69,863.04, 104,472.66 and 51,885.22

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Solution

The fourth proportional to 69,863.04, 104,472.66 and 51,885.22 is: 77,588.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,863.04 : 104,472.66 = 51,885.22 : x
  2. Step 2: Convert to fraction form
    69,863.04/104,472.66 = 51,885.22/x
  3. Step 3: Cross multiply
    69,863.04x = 104,472.66 × 51,885.22
  4. Step 4: Simplify right side
    69,863.04x = 5,420,586,166.30
  5. Step 5: Solve for x
    x = 5,420,586,166.30/69,863.04
  6. Step 6: Final answer
    x = 77,588.75

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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.