Home / 67,384.20-101,141.10-34,141.80

Finding the Fourth Proportional to 67,384.20, 101,141.10 and 34,141.80

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Solution

The fourth proportional to 67,384.20, 101,141.10 and 34,141.80 is: 51,245.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,384.20 : 101,141.10 = 34,141.80 : x
  2. Step 2: Convert to fraction form
    67,384.20/101,141.10 = 34,141.80/x
  3. Step 3: Cross multiply
    67,384.20x = 101,141.10 × 34,141.80
  4. Step 4: Simplify right side
    67,384.20x = 3,453,139,207.98
  5. Step 5: Solve for x
    x = 3,453,139,207.98/67,384.20
  6. Step 6: Final answer
    x = 51,245.53

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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.