Home / 57,202.32-78,935.22-31,708.44

Finding the Fourth Proportional to 57,202.32, 78,935.22 and 31,708.44

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Solution

The fourth proportional to 57,202.32, 78,935.22 and 31,708.44 is: 43,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,202.32 : 78,935.22 = 31,708.44 : x
  2. Step 2: Convert to fraction form
    57,202.32/78,935.22 = 31,708.44/x
  3. Step 3: Cross multiply
    57,202.32x = 78,935.22 × 31,708.44
  4. Step 4: Simplify right side
    57,202.32x = 2,502,912,687.26
  5. Step 5: Solve for x
    x = 2,502,912,687.26/57,202.32
  6. Step 6: Final answer
    x = 43,755.44

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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.