Home / 51,664.40-77,422.68-29,431.88

Finding the Fourth Proportional to 51,664.40, 77,422.68 and 29,431.88

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Solution

The fourth proportional to 51,664.40, 77,422.68 and 29,431.88 is: 44,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,664.40 : 77,422.68 = 29,431.88 : x
  2. Step 2: Convert to fraction form
    51,664.40/77,422.68 = 29,431.88/x
  3. Step 3: Cross multiply
    51,664.40x = 77,422.68 × 29,431.88
  4. Step 4: Simplify right side
    51,664.40x = 2,278,695,027.04
  5. Step 5: Solve for x
    x = 2,278,695,027.04/51,664.40
  6. Step 6: Final answer
    x = 44,105.71

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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.