Home / 69,400.90-104,105.15-22,012.57

Finding the Fourth Proportional to 69,400.90, 104,105.15 and 22,012.57

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Solution

The fourth proportional to 69,400.90, 104,105.15 and 22,012.57 is: 33,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,400.90 : 104,105.15 = 22,012.57 : x
  2. Step 2: Convert to fraction form
    69,400.90/104,105.15 = 22,012.57/x
  3. Step 3: Cross multiply
    69,400.90x = 104,105.15 × 22,012.57
  4. Step 4: Simplify right side
    69,400.90x = 2,291,621,901.74
  5. Step 5: Solve for x
    x = 2,291,621,901.74/69,400.90
  6. Step 6: Final answer
    x = 33,020.06

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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.