Home / 66,079.35-91,190.15-35,864.94

Finding the Fourth Proportional to 66,079.35, 91,190.15 and 35,864.94

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Solution

The fourth proportional to 66,079.35, 91,190.15 and 35,864.94 is: 49,493.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,079.35 : 91,190.15 = 35,864.94 : x
  2. Step 2: Convert to fraction form
    66,079.35/91,190.15 = 35,864.94/x
  3. Step 3: Cross multiply
    66,079.35x = 91,190.15 × 35,864.94
  4. Step 4: Simplify right side
    66,079.35x = 3,270,529,258.34
  5. Step 5: Solve for x
    x = 3,270,529,258.34/66,079.35
  6. Step 6: Final answer
    x = 49,493.97

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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.