Home / 40,083.64-60,139.24-17,912.32

Finding the Fourth Proportional to 40,083.64, 60,139.24 and 17,912.32

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Solution

The fourth proportional to 40,083.64, 60,139.24 and 17,912.32 is: 26,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,083.64 : 60,139.24 = 17,912.32 : x
  2. Step 2: Convert to fraction form
    40,083.64/60,139.24 = 17,912.32/x
  3. Step 3: Cross multiply
    40,083.64x = 60,139.24 × 17,912.32
  4. Step 4: Simplify right side
    40,083.64x = 1,077,233,311.44
  5. Step 5: Solve for x
    x = 1,077,233,311.44/40,083.64
  6. Step 6: Final answer
    x = 26,874.64

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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.