Home / 69,543.32-104,323.14-22,141.80

Finding the Fourth Proportional to 69,543.32, 104,323.14 and 22,141.80

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Solution

The fourth proportional to 69,543.32, 104,323.14 and 22,141.80 is: 33,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,543.32 : 104,323.14 = 22,141.80 : x
  2. Step 2: Convert to fraction form
    69,543.32/104,323.14 = 22,141.80/x
  3. Step 3: Cross multiply
    69,543.32x = 104,323.14 × 22,141.80
  4. Step 4: Simplify right side
    69,543.32x = 2,309,902,101.25
  5. Step 5: Solve for x
    x = 2,309,902,101.25/69,543.32
  6. Step 6: Final answer
    x = 33,215.30

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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.