Home / 67,640.39-101,460.49-27,132.18

Finding the Fourth Proportional to 67,640.39, 101,460.49 and 27,132.18

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Solution

The fourth proportional to 67,640.39, 101,460.49 and 27,132.18 is: 40,698.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,640.39 : 101,460.49 = 27,132.18 : x
  2. Step 2: Convert to fraction form
    67,640.39/101,460.49 = 27,132.18/x
  3. Step 3: Cross multiply
    67,640.39x = 101,460.49 × 27,132.18
  4. Step 4: Simplify right side
    67,640.39x = 2,752,844,209.74
  5. Step 5: Solve for x
    x = 2,752,844,209.74/67,640.39
  6. Step 6: Final answer
    x = 40,698.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.