Home / 67,997.40-102,029.52-30,583.92

Finding the Fourth Proportional to 67,997.40, 102,029.52 and 30,583.92

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Solution

The fourth proportional to 67,997.40, 102,029.52 and 30,583.92 is: 45,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,997.40 : 102,029.52 = 30,583.92 : x
  2. Step 2: Convert to fraction form
    67,997.40/102,029.52 = 30,583.92/x
  3. Step 3: Cross multiply
    67,997.40x = 102,029.52 × 30,583.92
  4. Step 4: Simplify right side
    67,997.40x = 3,120,462,677.32
  5. Step 5: Solve for x
    x = 3,120,462,677.32/67,997.40
  6. Step 6: Final answer
    x = 45,890.91

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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.