Home / 69,531.88-104,263.30-22,140.80

Finding the Fourth Proportional to 69,531.88, 104,263.30 and 22,140.80

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Solution

The fourth proportional to 69,531.88, 104,263.30 and 22,140.80 is: 33,200.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,531.88 : 104,263.30 = 22,140.80 : x
  2. Step 2: Convert to fraction form
    69,531.88/104,263.30 = 22,140.80/x
  3. Step 3: Cross multiply
    69,531.88x = 104,263.30 × 22,140.80
  4. Step 4: Simplify right side
    69,531.88x = 2,308,472,872.64
  5. Step 5: Solve for x
    x = 2,308,472,872.64/69,531.88
  6. Step 6: Final answer
    x = 33,200.21

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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.