Home / 66,466.20-91,723-36,250.96

Finding the Fourth Proportional to 66,466.20, 91,723 and 36,250.96

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Solution

The fourth proportional to 66,466.20, 91,723 and 36,250.96 is: 50,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,466.20 : 91,723 = 36,250.96 : x
  2. Step 2: Convert to fraction form
    66,466.20/91,723 = 36,250.96/x
  3. Step 3: Cross multiply
    66,466.20x = 91,723 × 36,250.96
  4. Step 4: Simplify right side
    66,466.20x = 3,325,046,804.08
  5. Step 5: Solve for x
    x = 3,325,046,804.08/66,466.20
  6. Step 6: Final answer
    x = 50,026.13

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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.