Home / 56,816.73-78,407.63-31,324.03

Finding the Fourth Proportional to 56,816.73, 78,407.63 and 31,324.03

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Solution

The fourth proportional to 56,816.73, 78,407.63 and 31,324.03 is: 43,227.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,816.73 : 78,407.63 = 31,324.03 : x
  2. Step 2: Convert to fraction form
    56,816.73/78,407.63 = 31,324.03/x
  3. Step 3: Cross multiply
    56,816.73x = 78,407.63 × 31,324.03
  4. Step 4: Simplify right side
    56,816.73x = 2,456,042,836.64
  5. Step 5: Solve for x
    x = 2,456,042,836.64/56,816.73
  6. Step 6: Final answer
    x = 43,227.46

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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.