Home / 57,091.56-78,786.44-31,941.08

Finding the Fourth Proportional to 57,091.56, 78,786.44 and 31,941.08

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Solution

The fourth proportional to 57,091.56, 78,786.44 and 31,941.08 is: 44,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,091.56 : 78,786.44 = 31,941.08 : x
  2. Step 2: Convert to fraction form
    57,091.56/78,786.44 = 31,941.08/x
  3. Step 3: Cross multiply
    57,091.56x = 78,786.44 × 31,941.08
  4. Step 4: Simplify right side
    57,091.56x = 2,516,523,982.96
  5. Step 5: Solve for x
    x = 2,516,523,982.96/57,091.56
  6. Step 6: Final answer
    x = 44,078.74

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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.