Home / 91,215.92-136,814.26-43,173.04

Finding the Fourth Proportional to 91,215.92, 136,814.26 and 43,173.04

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Solution

The fourth proportional to 91,215.92, 136,814.26 and 43,173.04 is: 64,755.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,215.92 : 136,814.26 = 43,173.04 : x
  2. Step 2: Convert to fraction form
    91,215.92/136,814.26 = 43,173.04/x
  3. Step 3: Cross multiply
    91,215.92x = 136,814.26 × 43,173.04
  4. Step 4: Simplify right side
    91,215.92x = 5,906,687,519.55
  5. Step 5: Solve for x
    x = 5,906,687,519.55/91,215.92
  6. Step 6: Final answer
    x = 64,755.01

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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.