Home / 57,064.43-78,751.24-31,570.36

Finding the Fourth Proportional to 57,064.43, 78,751.24 and 31,570.36

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Solution

The fourth proportional to 57,064.43, 78,751.24 and 31,570.36 is: 43,568.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,064.43 : 78,751.24 = 31,570.36 : x
  2. Step 2: Convert to fraction form
    57,064.43/78,751.24 = 31,570.36/x
  3. Step 3: Cross multiply
    57,064.43x = 78,751.24 × 31,570.36
  4. Step 4: Simplify right side
    57,064.43x = 2,486,204,721.44
  5. Step 5: Solve for x
    x = 2,486,204,721.44/57,064.43
  6. Step 6: Final answer
    x = 43,568.38

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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.