Home / 69,721.50-104,961.61-63,521.36

Finding the Fourth Proportional to 69,721.50, 104,961.61 and 63,521.36

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Solution

The fourth proportional to 69,721.50, 104,961.61 and 63,521.36 is: 95,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,721.50 : 104,961.61 = 63,521.36 : x
  2. Step 2: Convert to fraction form
    69,721.50/104,961.61 = 63,521.36/x
  3. Step 3: Cross multiply
    69,721.50x = 104,961.61 × 63,521.36
  4. Step 4: Simplify right side
    69,721.50x = 6,667,303,531.38
  5. Step 5: Solve for x
    x = 6,667,303,531.38/69,721.50
  6. Step 6: Final answer
    x = 95,627.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.