Home / 57,026.91-78,695.60-31,881.27

Finding the Fourth Proportional to 57,026.91, 78,695.60 and 31,881.27

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Solution

The fourth proportional to 57,026.91, 78,695.60 and 31,881.27 is: 43,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,026.91 : 78,695.60 = 31,881.27 : x
  2. Step 2: Convert to fraction form
    57,026.91/78,695.60 = 31,881.27/x
  3. Step 3: Cross multiply
    57,026.91x = 78,695.60 × 31,881.27
  4. Step 4: Simplify right side
    57,026.91x = 2,508,915,512.01
  5. Step 5: Solve for x
    x = 2,508,915,512.01/57,026.91
  6. Step 6: Final answer
    x = 43,995.29

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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.