Home / 54,887.06-75,739.92-31,016.36

Finding the Fourth Proportional to 54,887.06, 75,739.92 and 31,016.36

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Solution

The fourth proportional to 54,887.06, 75,739.92 and 31,016.36 is: 42,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,887.06 : 75,739.92 = 31,016.36 : x
  2. Step 2: Convert to fraction form
    54,887.06/75,739.92 = 31,016.36/x
  3. Step 3: Cross multiply
    54,887.06x = 75,739.92 × 31,016.36
  4. Step 4: Simplify right side
    54,887.06x = 2,349,176,625.09
  5. Step 5: Solve for x
    x = 2,349,176,625.09/54,887.06
  6. Step 6: Final answer
    x = 42,800.19

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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.