Home / 69,704.04-104,556.12-66,154.29

Finding the Fourth Proportional to 69,704.04, 104,556.12 and 66,154.29

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Solution

The fourth proportional to 69,704.04, 104,556.12 and 66,154.29 is: 99,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,704.04 : 104,556.12 = 66,154.29 : x
  2. Step 2: Convert to fraction form
    69,704.04/104,556.12 = 66,154.29/x
  3. Step 3: Cross multiply
    69,704.04x = 104,556.12 × 66,154.29
  4. Step 4: Simplify right side
    69,704.04x = 6,916,835,243.59
  5. Step 5: Solve for x
    x = 6,916,835,243.59/69,704.04
  6. Step 6: Final answer
    x = 99,231.48

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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.