Home / 57,125.94-78,826.41-31,975.44

Finding the Fourth Proportional to 57,125.94, 78,826.41 and 31,975.44

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Solution

The fourth proportional to 57,125.94, 78,826.41 and 31,975.44 is: 44,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,125.94 : 78,826.41 = 31,975.44 : x
  2. Step 2: Convert to fraction form
    57,125.94/78,826.41 = 31,975.44/x
  3. Step 3: Cross multiply
    57,125.94x = 78,826.41 × 31,975.44
  4. Step 4: Simplify right side
    57,125.94x = 2,520,509,143.37
  5. Step 5: Solve for x
    x = 2,520,509,143.37/57,125.94
  6. Step 6: Final answer
    x = 44,121.97

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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.