Home / 53,162.48-73,331.78-31,637.79

Finding the Fourth Proportional to 53,162.48, 73,331.78 and 31,637.79

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Solution

The fourth proportional to 53,162.48, 73,331.78 and 31,637.79 is: 43,640.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,162.48 : 73,331.78 = 31,637.79 : x
  2. Step 2: Convert to fraction form
    53,162.48/73,331.78 = 31,637.79/x
  3. Step 3: Cross multiply
    53,162.48x = 73,331.78 × 31,637.79
  4. Step 4: Simplify right side
    53,162.48x = 2,320,055,297.78
  5. Step 5: Solve for x
    x = 2,320,055,297.78/53,162.48
  6. Step 6: Final answer
    x = 43,640.84

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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.