Home / 51,235.83-76,704.30-31,454.43

Finding the Fourth Proportional to 51,235.83, 76,704.30 and 31,454.43

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Solution

The fourth proportional to 51,235.83, 76,704.30 and 31,454.43 is: 47,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,235.83 : 76,704.30 = 31,454.43 : x
  2. Step 2: Convert to fraction form
    51,235.83/76,704.30 = 31,454.43/x
  3. Step 3: Cross multiply
    51,235.83x = 76,704.30 × 31,454.43
  4. Step 4: Simplify right side
    51,235.83x = 2,412,690,035.05
  5. Step 5: Solve for x
    x = 2,412,690,035.05/51,235.83
  6. Step 6: Final answer
    x = 47,089.90

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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.