Home / 66,186.68-91,337.28-35,971.52

Finding the Fourth Proportional to 66,186.68, 91,337.28 and 35,971.52

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Solution

The fourth proportional to 66,186.68, 91,337.28 and 35,971.52 is: 49,640.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,186.68 : 91,337.28 = 35,971.52 : x
  2. Step 2: Convert to fraction form
    66,186.68/91,337.28 = 35,971.52/x
  3. Step 3: Cross multiply
    66,186.68x = 91,337.28 × 35,971.52
  4. Step 4: Simplify right side
    66,186.68x = 3,285,540,794.27
  5. Step 5: Solve for x
    x = 3,285,540,794.27/66,186.68
  6. Step 6: Final answer
    x = 49,640.51

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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.