Home / 123,946.05-171,046.62-67,357.44

Finding the Fourth Proportional to 123,946.05, 171,046.62 and 67,357.44

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Solution

The fourth proportional to 123,946.05, 171,046.62 and 67,357.44 is: 92,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,946.05 : 171,046.62 = 67,357.44 : x
  2. Step 2: Convert to fraction form
    123,946.05/171,046.62 = 67,357.44/x
  3. Step 3: Cross multiply
    123,946.05x = 171,046.62 × 67,357.44
  4. Step 4: Simplify right side
    123,946.05x = 11,521,262,443.85
  5. Step 5: Solve for x
    x = 11,521,262,443.85/123,946.05
  6. Step 6: Final answer
    x = 92,953.85

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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.