Home / 55,522.20-76,625.82-31,644.12

Finding the Fourth Proportional to 55,522.20, 76,625.82 and 31,644.12

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Solution

The fourth proportional to 55,522.20, 76,625.82 and 31,644.12 is: 43,671.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,522.20 : 76,625.82 = 31,644.12 : x
  2. Step 2: Convert to fraction form
    55,522.20/76,625.82 = 31,644.12/x
  3. Step 3: Cross multiply
    55,522.20x = 76,625.82 × 31,644.12
  4. Step 4: Simplify right side
    55,522.20x = 2,424,756,643.18
  5. Step 5: Solve for x
    x = 2,424,756,643.18/55,522.20
  6. Step 6: Final answer
    x = 43,671.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.