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Finding the Fourth Proportional to 66,250.88, 91,425.44 and 36,035.86

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Solution

The fourth proportional to 66,250.88, 91,425.44 and 36,035.86 is: 49,729.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,250.88 : 91,425.44 = 36,035.86 : x
  2. Step 2: Convert to fraction form
    66,250.88/91,425.44 = 36,035.86/x
  3. Step 3: Cross multiply
    66,250.88x = 91,425.44 × 36,035.86
  4. Step 4: Simplify right side
    66,250.88x = 3,294,594,356.28
  5. Step 5: Solve for x
    x = 3,294,594,356.28/66,250.88
  6. Step 6: Final answer
    x = 49,729.07

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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.