Home / 48,970.87-67,594.24-31,977.75

Finding the Fourth Proportional to 48,970.87, 67,594.24 and 31,977.75

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Solution

The fourth proportional to 48,970.87, 67,594.24 and 31,977.75 is: 44,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,970.87 : 67,594.24 = 31,977.75 : x
  2. Step 2: Convert to fraction form
    48,970.87/67,594.24 = 31,977.75/x
  3. Step 3: Cross multiply
    48,970.87x = 67,594.24 × 31,977.75
  4. Step 4: Simplify right side
    48,970.87x = 2,161,511,548.27
  5. Step 5: Solve for x
    x = 2,161,511,548.27/48,970.87
  6. Step 6: Final answer
    x = 44,138.73

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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.