Home / 57,091.41-78,785.06-31,597.79

Finding the Fourth Proportional to 57,091.41, 78,785.06 and 31,597.79

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Solution

The fourth proportional to 57,091.41, 78,785.06 and 31,597.79 is: 43,604.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,091.41 : 78,785.06 = 31,597.79 : x
  2. Step 2: Convert to fraction form
    57,091.41/78,785.06 = 31,597.79/x
  3. Step 3: Cross multiply
    57,091.41x = 78,785.06 × 31,597.79
  4. Step 4: Simplify right side
    57,091.41x = 2,489,433,229.10
  5. Step 5: Solve for x
    x = 2,489,433,229.10/57,091.41
  6. Step 6: Final answer
    x = 43,604.34

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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.