Home / 66,144.54-91,244.47-41,902.74

Finding the Fourth Proportional to 66,144.54, 91,244.47 and 41,902.74

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Solution

The fourth proportional to 66,144.54, 91,244.47 and 41,902.74 is: 57,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,144.54 : 91,244.47 = 41,902.74 : x
  2. Step 2: Convert to fraction form
    66,144.54/91,244.47 = 41,902.74/x
  3. Step 3: Cross multiply
    66,144.54x = 91,244.47 × 41,902.74
  4. Step 4: Simplify right side
    66,144.54x = 3,823,393,302.85
  5. Step 5: Solve for x
    x = 3,823,393,302.85/66,144.54
  6. Step 6: Final answer
    x = 57,803.61

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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.