Home / 76,974.81-115,375.86-50,371.98

Finding the Fourth Proportional to 76,974.81, 115,375.86 and 50,371.98

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Solution

The fourth proportional to 76,974.81, 115,375.86 and 50,371.98 is: 75,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,974.81 : 115,375.86 = 50,371.98 : x
  2. Step 2: Convert to fraction form
    76,974.81/115,375.86 = 50,371.98/x
  3. Step 3: Cross multiply
    76,974.81x = 115,375.86 × 50,371.98
  4. Step 4: Simplify right side
    76,974.81x = 5,811,710,512.40
  5. Step 5: Solve for x
    x = 5,811,710,512.40/76,974.81
  6. Step 6: Final answer
    x = 75,501.46

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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.