Home / 49,840.32-68,787.24-30,983.52

Finding the Fourth Proportional to 49,840.32, 68,787.24 and 30,983.52

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Solution

The fourth proportional to 49,840.32, 68,787.24 and 30,983.52 is: 42,761.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,840.32 : 68,787.24 = 30,983.52 : x
  2. Step 2: Convert to fraction form
    49,840.32/68,787.24 = 30,983.52/x
  3. Step 3: Cross multiply
    49,840.32x = 68,787.24 × 30,983.52
  4. Step 4: Simplify right side
    49,840.32x = 2,131,270,826.28
  5. Step 5: Solve for x
    x = 2,131,270,826.28/49,840.32
  6. Step 6: Final answer
    x = 42,761.98

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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.