Home / 123,747.99-170,772.32-67,159.37

Finding the Fourth Proportional to 123,747.99, 170,772.32 and 67,159.37

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Solution

The fourth proportional to 123,747.99, 170,772.32 and 67,159.37 is: 92,679.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,747.99 : 170,772.32 = 67,159.37 : x
  2. Step 2: Convert to fraction form
    123,747.99/170,772.32 = 67,159.37/x
  3. Step 3: Cross multiply
    123,747.99x = 170,772.32 × 67,159.37
  4. Step 4: Simplify right side
    123,747.99x = 11,468,960,234.98
  5. Step 5: Solve for x
    x = 11,468,960,234.98/123,747.99
  6. Step 6: Final answer
    x = 92,679.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.