Home / 48,969.87-67,592.85-31,976.75

Finding the Fourth Proportional to 48,969.87, 67,592.85 and 31,976.75

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Solution

The fourth proportional to 48,969.87, 67,592.85 and 31,976.75 is: 44,137.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,969.87 : 67,592.85 = 31,976.75 : x
  2. Step 2: Convert to fraction form
    48,969.87/67,592.85 = 31,976.75/x
  3. Step 3: Cross multiply
    48,969.87x = 67,592.85 × 31,976.75
  4. Step 4: Simplify right side
    48,969.87x = 2,161,399,795.01
  5. Step 5: Solve for x
    x = 2,161,399,795.01/48,969.87
  6. Step 6: Final answer
    x = 44,137.34

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1.5x scale

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.