Home / 69,821.04-104,668-25,437.66

Finding the Fourth Proportional to 69,821.04, 104,668 and 25,437.66

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Solution

The fourth proportional to 69,821.04, 104,668 and 25,437.66 is: 38,133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,821.04 : 104,668 = 25,437.66 : x
  2. Step 2: Convert to fraction form
    69,821.04/104,668 = 25,437.66/x
  3. Step 3: Cross multiply
    69,821.04x = 104,668 × 25,437.66
  4. Step 4: Simplify right side
    69,821.04x = 2,662,508,996.88
  5. Step 5: Solve for x
    x = 2,662,508,996.88/69,821.04
  6. Step 6: Final answer
    x = 38,133.33

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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.