Home / 109,747.92-151,494.12-67,364.04

Finding the Fourth Proportional to 109,747.92, 151,494.12 and 67,364.04

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Solution

The fourth proportional to 109,747.92, 151,494.12 and 67,364.04 is: 92,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,747.92 : 151,494.12 = 67,364.04 : x
  2. Step 2: Convert to fraction form
    109,747.92/151,494.12 = 67,364.04/x
  3. Step 3: Cross multiply
    109,747.92x = 151,494.12 × 67,364.04
  4. Step 4: Simplify right side
    109,747.92x = 10,205,255,959.44
  5. Step 5: Solve for x
    x = 10,205,255,959.44/109,747.92
  6. Step 6: Final answer
    x = 92,988.15

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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.