Home / 45,182.06-67,796.32-21,516.44

Finding the Fourth Proportional to 45,182.06, 67,796.32 and 21,516.44

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Solution

The fourth proportional to 45,182.06, 67,796.32 and 21,516.44 is: 32,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,182.06 : 67,796.32 = 21,516.44 : x
  2. Step 2: Convert to fraction form
    45,182.06/67,796.32 = 21,516.44/x
  3. Step 3: Cross multiply
    45,182.06x = 67,796.32 × 21,516.44
  4. Step 4: Simplify right side
    45,182.06x = 1,458,735,004.94
  5. Step 5: Solve for x
    x = 1,458,735,004.94/45,182.06
  6. Step 6: Final answer
    x = 32,285.72

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Why These Related Problems?

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