Home / 56,542.72-78,025.90-31,052.44

Finding the Fourth Proportional to 56,542.72, 78,025.90 and 31,052.44

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Solution

The fourth proportional to 56,542.72, 78,025.90 and 31,052.44 is: 42,850.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,542.72 : 78,025.90 = 31,052.44 : x
  2. Step 2: Convert to fraction form
    56,542.72/78,025.90 = 31,052.44/x
  3. Step 3: Cross multiply
    56,542.72x = 78,025.90 × 31,052.44
  4. Step 4: Simplify right side
    56,542.72x = 2,422,894,305.87
  5. Step 5: Solve for x
    x = 2,422,894,305.87/56,542.72
  6. Step 6: Final answer
    x = 42,850.68

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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.