Home / 67,426.20-101,139.30-34,248.60

Finding the Fourth Proportional to 67,426.20, 101,139.30 and 34,248.60

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Solution

The fourth proportional to 67,426.20, 101,139.30 and 34,248.60 is: 51,372.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,426.20 : 101,139.30 = 34,248.60 : x
  2. Step 2: Convert to fraction form
    67,426.20/101,139.30 = 34,248.60/x
  3. Step 3: Cross multiply
    67,426.20x = 101,139.30 × 34,248.60
  4. Step 4: Simplify right side
    67,426.20x = 3,463,879,429.98
  5. Step 5: Solve for x
    x = 3,463,879,429.98/67,426.20
  6. Step 6: Final answer
    x = 51,372.90

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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.