Home / 66,382.28-91,626.87-43,415.37

Finding the Fourth Proportional to 66,382.28, 91,626.87 and 43,415.37

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Solution

The fourth proportional to 66,382.28, 91,626.87 and 43,415.37 is: 59,925.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,382.28 : 91,626.87 = 43,415.37 : x
  2. Step 2: Convert to fraction form
    66,382.28/91,626.87 = 43,415.37/x
  3. Step 3: Cross multiply
    66,382.28x = 91,626.87 × 43,415.37
  4. Step 4: Simplify right side
    66,382.28x = 3,978,014,245.99
  5. Step 5: Solve for x
    x = 3,978,014,245.99/66,382.28
  6. Step 6: Final answer
    x = 59,925.84

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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.