Home / 54,871.92-75,727.44-31,001.22

Finding the Fourth Proportional to 54,871.92, 75,727.44 and 31,001.22

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Solution

The fourth proportional to 54,871.92, 75,727.44 and 31,001.22 is: 42,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,871.92 : 75,727.44 = 31,001.22 : x
  2. Step 2: Convert to fraction form
    54,871.92/75,727.44 = 31,001.22/x
  3. Step 3: Cross multiply
    54,871.92x = 75,727.44 × 31,001.22
  4. Step 4: Simplify right side
    54,871.92x = 2,347,643,027.48
  5. Step 5: Solve for x
    x = 2,347,643,027.48/54,871.92
  6. Step 6: Final answer
    x = 42,784.05

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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.