Home / 69,510.60-104,272.04-19,591.12

Finding the Fourth Proportional to 69,510.60, 104,272.04 and 19,591.12

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Solution

The fourth proportional to 69,510.60, 104,272.04 and 19,591.12 is: 29,388.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,510.60 : 104,272.04 = 19,591.12 : x
  2. Step 2: Convert to fraction form
    69,510.60/104,272.04 = 19,591.12/x
  3. Step 3: Cross multiply
    69,510.60x = 104,272.04 × 19,591.12
  4. Step 4: Simplify right side
    69,510.60x = 2,042,806,048.28
  5. Step 5: Solve for x
    x = 2,042,806,048.28/69,510.60
  6. Step 6: Final answer
    x = 29,388.41

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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.