Home / 123,946.94-171,046.78-67,358.32

Finding the Fourth Proportional to 123,946.94, 171,046.78 and 67,358.32

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Solution

The fourth proportional to 123,946.94, 171,046.78 and 67,358.32 is: 92,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,946.94 : 171,046.78 = 67,358.32 : x
  2. Step 2: Convert to fraction form
    123,946.94/171,046.78 = 67,358.32/x
  3. Step 3: Cross multiply
    123,946.94x = 171,046.78 × 67,358.32
  4. Step 4: Simplify right side
    123,946.94x = 11,521,423,146.20
  5. Step 5: Solve for x
    x = 11,521,423,146.20/123,946.94
  6. Step 6: Final answer
    x = 92,954.48

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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.