Home / 57,460.25-79,295.75-31,619.15

Finding the Fourth Proportional to 57,460.25, 79,295.75 and 31,619.15

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Solution

The fourth proportional to 57,460.25, 79,295.75 and 31,619.15 is: 43,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,460.25 : 79,295.75 = 31,619.15 : x
  2. Step 2: Convert to fraction form
    57,460.25/79,295.75 = 31,619.15/x
  3. Step 3: Cross multiply
    57,460.25x = 79,295.75 × 31,619.15
  4. Step 4: Simplify right side
    57,460.25x = 2,507,263,896.18
  5. Step 5: Solve for x
    x = 2,507,263,896.18/57,460.25
  6. Step 6: Final answer
    x = 43,634.75

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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.