Home / 57,219.76-78,963.24-31,726.14

Finding the Fourth Proportional to 57,219.76, 78,963.24 and 31,726.14

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Solution

The fourth proportional to 57,219.76, 78,963.24 and 31,726.14 is: 43,782.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,219.76 : 78,963.24 = 31,726.14 : x
  2. Step 2: Convert to fraction form
    57,219.76/78,963.24 = 31,726.14/x
  3. Step 3: Cross multiply
    57,219.76x = 78,963.24 × 31,726.14
  4. Step 4: Simplify right side
    57,219.76x = 2,505,198,807.09
  5. Step 5: Solve for x
    x = 2,505,198,807.09/57,219.76
  6. Step 6: Final answer
    x = 43,782.06

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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.