Home / 65,727.61-90,704.17-35,512.99

Finding the Fourth Proportional to 65,727.61, 90,704.17 and 35,512.99

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Solution

The fourth proportional to 65,727.61, 90,704.17 and 35,512.99 is: 49,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,727.61 : 90,704.17 = 35,512.99 : x
  2. Step 2: Convert to fraction form
    65,727.61/90,704.17 = 35,512.99/x
  3. Step 3: Cross multiply
    65,727.61x = 90,704.17 × 35,512.99
  4. Step 4: Simplify right side
    65,727.61x = 3,221,176,282.17
  5. Step 5: Solve for x
    x = 3,221,176,282.17/65,727.61
  6. Step 6: Final answer
    x = 49,007.96

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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.