Home / 66,206.16-91,363.41-35,992.23

Finding the Fourth Proportional to 66,206.16, 91,363.41 and 35,992.23

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Solution

The fourth proportional to 66,206.16, 91,363.41 and 35,992.23 is: 49,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,206.16 : 91,363.41 = 35,992.23 : x
  2. Step 2: Convert to fraction form
    66,206.16/91,363.41 = 35,992.23/x
  3. Step 3: Cross multiply
    66,206.16x = 91,363.41 × 35,992.23
  4. Step 4: Simplify right side
    66,206.16x = 3,288,372,866.30
  5. Step 5: Solve for x
    x = 3,288,372,866.30/66,206.16
  6. Step 6: Final answer
    x = 49,668.68

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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.