Home / 55,664.22-76,828.22-51,180.88

Finding the Fourth Proportional to 55,664.22, 76,828.22 and 51,180.88

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Solution

The fourth proportional to 55,664.22, 76,828.22 and 51,180.88 is: 70,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,664.22 : 76,828.22 = 51,180.88 : x
  2. Step 2: Convert to fraction form
    55,664.22/76,828.22 = 51,180.88/x
  3. Step 3: Cross multiply
    55,664.22x = 76,828.22 × 51,180.88
  4. Step 4: Simplify right side
    55,664.22x = 3,932,135,908.43
  5. Step 5: Solve for x
    x = 3,932,135,908.43/55,664.22
  6. Step 6: Final answer
    x = 70,640.28

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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.