Home / 51,623.22-77,420.78-14,174.43

Finding the Fourth Proportional to 51,623.22, 77,420.78 and 14,174.43

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Solution

The fourth proportional to 51,623.22, 77,420.78 and 14,174.43 is: 21,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,623.22 : 77,420.78 = 14,174.43 : x
  2. Step 2: Convert to fraction form
    51,623.22/77,420.78 = 14,174.43/x
  3. Step 3: Cross multiply
    51,623.22x = 77,420.78 × 14,174.43
  4. Step 4: Simplify right side
    51,623.22x = 1,097,395,426.66
  5. Step 5: Solve for x
    x = 1,097,395,426.66/51,623.22
  6. Step 6: Final answer
    x = 21,257.79

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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.