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Finding the Fourth Proportional to 45,550.66, 68,336.10 and 13,965.10

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Solution

The fourth proportional to 45,550.66, 68,336.10 and 13,965.10 is: 20,950.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,550.66 : 68,336.10 = 13,965.10 : x
  2. Step 2: Convert to fraction form
    45,550.66/68,336.10 = 13,965.10/x
  3. Step 3: Cross multiply
    45,550.66x = 68,336.10 × 13,965.10
  4. Step 4: Simplify right side
    45,550.66x = 954,320,470.11
  5. Step 5: Solve for x
    x = 954,320,470.11/45,550.66
  6. Step 6: Final answer
    x = 20,950.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.