Home / 123,928.85-171,022.88-67,340.22

Finding the Fourth Proportional to 123,928.85, 171,022.88 and 67,340.22

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Solution

The fourth proportional to 123,928.85, 171,022.88 and 67,340.22 is: 92,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,928.85 : 171,022.88 = 67,340.22 : x
  2. Step 2: Convert to fraction form
    123,928.85/171,022.88 = 67,340.22/x
  3. Step 3: Cross multiply
    123,928.85x = 171,022.88 × 67,340.22
  4. Step 4: Simplify right side
    123,928.85x = 11,516,718,532.58
  5. Step 5: Solve for x
    x = 11,516,718,532.58/123,928.85
  6. Step 6: Final answer
    x = 92,930.09

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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.