Home / 66,288.44-91,476.56-36,073.86

Finding the Fourth Proportional to 66,288.44, 91,476.56 and 36,073.86

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Solution

The fourth proportional to 66,288.44, 91,476.56 and 36,073.86 is: 49,781.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,288.44 : 91,476.56 = 36,073.86 : x
  2. Step 2: Convert to fraction form
    66,288.44/91,476.56 = 36,073.86/x
  3. Step 3: Cross multiply
    66,288.44x = 91,476.56 × 36,073.86
  4. Step 4: Simplify right side
    66,288.44x = 3,299,912,618.72
  5. Step 5: Solve for x
    x = 3,299,912,618.72/66,288.44
  6. Step 6: Final answer
    x = 49,781.12

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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.