Home / 66,122.46-91,249.74-35,908.11

Finding the Fourth Proportional to 66,122.46, 91,249.74 and 35,908.11

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Solution

The fourth proportional to 66,122.46, 91,249.74 and 35,908.11 is: 49,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,122.46 : 91,249.74 = 35,908.11 : x
  2. Step 2: Convert to fraction form
    66,122.46/91,249.74 = 35,908.11/x
  3. Step 3: Cross multiply
    66,122.46x = 91,249.74 × 35,908.11
  4. Step 4: Simplify right side
    66,122.46x = 3,276,605,701.39
  5. Step 5: Solve for x
    x = 3,276,605,701.39/66,122.46
  6. Step 6: Final answer
    x = 49,553.60

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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.