Home / 66,631.86-91,954.08-36,416.52

Finding the Fourth Proportional to 66,631.86, 91,954.08 and 36,416.52

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Solution

The fourth proportional to 66,631.86, 91,954.08 and 36,416.52 is: 50,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,631.86 : 91,954.08 = 36,416.52 : x
  2. Step 2: Convert to fraction form
    66,631.86/91,954.08 = 36,416.52/x
  3. Step 3: Cross multiply
    66,631.86x = 91,954.08 × 36,416.52
  4. Step 4: Simplify right side
    66,631.86x = 3,348,647,593.40
  5. Step 5: Solve for x
    x = 3,348,647,593.40/66,631.86
  6. Step 6: Final answer
    x = 50,255.95

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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.