Home / 55,471.05-76,550.04-31,611.57

Finding the Fourth Proportional to 55,471.05, 76,550.04 and 31,611.57

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Solution

The fourth proportional to 55,471.05, 76,550.04 and 31,611.57 is: 43,623.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,471.05 : 76,550.04 = 31,611.57 : x
  2. Step 2: Convert to fraction form
    55,471.05/76,550.04 = 31,611.57/x
  3. Step 3: Cross multiply
    55,471.05x = 76,550.04 × 31,611.57
  4. Step 4: Simplify right side
    55,471.05x = 2,419,866,947.96
  5. Step 5: Solve for x
    x = 2,419,866,947.96/55,471.05
  6. Step 6: Final answer
    x = 43,623.96

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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.