Home / 66,144.66-91,244.64-41,902.86

Finding the Fourth Proportional to 66,144.66, 91,244.64 and 41,902.86

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Solution

The fourth proportional to 66,144.66, 91,244.64 and 41,902.86 is: 57,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,144.66 : 91,244.64 = 41,902.86 : x
  2. Step 2: Convert to fraction form
    66,144.66/91,244.64 = 41,902.86/x
  3. Step 3: Cross multiply
    66,144.66x = 91,244.64 × 41,902.86
  4. Step 4: Simplify right side
    66,144.66x = 3,823,411,375.67
  5. Step 5: Solve for x
    x = 3,823,411,375.67/66,144.66
  6. Step 6: Final answer
    x = 57,803.78

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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.