Home / 51,817.30-77,841.16-50,434.90

Finding the Fourth Proportional to 51,817.30, 77,841.16 and 50,434.90

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Solution

The fourth proportional to 51,817.30, 77,841.16 and 50,434.90 is: 75,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,817.30 : 77,841.16 = 50,434.90 : x
  2. Step 2: Convert to fraction form
    51,817.30/77,841.16 = 50,434.90/x
  3. Step 3: Cross multiply
    51,817.30x = 77,841.16 × 50,434.90
  4. Step 4: Simplify right side
    51,817.30x = 3,925,910,868.31
  5. Step 5: Solve for x
    x = 3,925,910,868.31/51,817.30
  6. Step 6: Final answer
    x = 75,764.48

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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.