Home / 55,227.73-76,216.43-31,356.63

Finding the Fourth Proportional to 55,227.73, 76,216.43 and 31,356.63

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Solution

The fourth proportional to 55,227.73, 76,216.43 and 31,356.63 is: 43,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,227.73 : 76,216.43 = 31,356.63 : x
  2. Step 2: Convert to fraction form
    55,227.73/76,216.43 = 31,356.63/x
  3. Step 3: Cross multiply
    55,227.73x = 76,216.43 × 31,356.63
  4. Step 4: Simplify right side
    55,227.73x = 2,389,889,857.57
  5. Step 5: Solve for x
    x = 2,389,889,857.57/55,227.73
  6. Step 6: Final answer
    x = 43,273.37

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1.5x scale

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.