Home / 54,790.50-75,611.43-29,640.54

Finding the Fourth Proportional to 54,790.50, 75,611.43 and 29,640.54

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Solution

The fourth proportional to 54,790.50, 75,611.43 and 29,640.54 is: 40,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,790.50 : 75,611.43 = 29,640.54 : x
  2. Step 2: Convert to fraction form
    54,790.50/75,611.43 = 29,640.54/x
  3. Step 3: Cross multiply
    54,790.50x = 75,611.43 × 29,640.54
  4. Step 4: Simplify right side
    54,790.50x = 2,241,163,615.37
  5. Step 5: Solve for x
    x = 2,241,163,615.37/54,790.50
  6. Step 6: Final answer
    x = 40,904.24

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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.