Home / 66,321.06-91,523.30-36,106.74

Finding the Fourth Proportional to 66,321.06, 91,523.30 and 36,106.74

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Solution

The fourth proportional to 66,321.06, 91,523.30 and 36,106.74 is: 49,827.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,321.06 : 91,523.30 = 36,106.74 : x
  2. Step 2: Convert to fraction form
    66,321.06/91,523.30 = 36,106.74/x
  3. Step 3: Cross multiply
    66,321.06x = 91,523.30 × 36,106.74
  4. Step 4: Simplify right side
    66,321.06x = 3,304,607,997.04
  5. Step 5: Solve for x
    x = 3,304,607,997.04/66,321.06
  6. Step 6: Final answer
    x = 49,827.43

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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.