Home / 53,178.44-73,363.19-31,656.12

Finding the Fourth Proportional to 53,178.44, 73,363.19 and 31,656.12

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Solution

The fourth proportional to 53,178.44, 73,363.19 and 31,656.12 is: 43,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,178.44 : 73,363.19 = 31,656.12 : x
  2. Step 2: Convert to fraction form
    53,178.44/73,363.19 = 31,656.12/x
  3. Step 3: Cross multiply
    53,178.44x = 73,363.19 × 31,656.12
  4. Step 4: Simplify right side
    53,178.44x = 2,322,393,512.83
  5. Step 5: Solve for x
    x = 2,322,393,512.83/53,178.44
  6. Step 6: Final answer
    x = 43,671.71

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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.