Home / 69,125.06-103,687.49-21,744.32

Finding the Fourth Proportional to 69,125.06, 103,687.49 and 21,744.32

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Solution

The fourth proportional to 69,125.06, 103,687.49 and 21,744.32 is: 32,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,125.06 : 103,687.49 = 21,744.32 : x
  2. Step 2: Convert to fraction form
    69,125.06/103,687.49 = 21,744.32/x
  3. Step 3: Cross multiply
    69,125.06x = 103,687.49 × 21,744.32
  4. Step 4: Simplify right side
    69,125.06x = 2,254,613,498.48
  5. Step 5: Solve for x
    x = 2,254,613,498.48/69,125.06
  6. Step 6: Final answer
    x = 32,616.44

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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.