Home / 51,207.44-76,821.54-21,625.16

Finding the Fourth Proportional to 51,207.44, 76,821.54 and 21,625.16

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Solution

The fourth proportional to 51,207.44, 76,821.54 and 21,625.16 is: 32,442.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,207.44 : 76,821.54 = 21,625.16 : x
  2. Step 2: Convert to fraction form
    51,207.44/76,821.54 = 21,625.16/x
  3. Step 3: Cross multiply
    51,207.44x = 76,821.54 × 21,625.16
  4. Step 4: Simplify right side
    51,207.44x = 1,661,278,093.95
  5. Step 5: Solve for x
    x = 1,661,278,093.95/51,207.44
  6. Step 6: Final answer
    x = 32,442.12

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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.