Home / 55,782.22-76,979.46-30,288.46

Finding the Fourth Proportional to 55,782.22, 76,979.46 and 30,288.46

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Solution

The fourth proportional to 55,782.22, 76,979.46 and 30,288.46 is: 41,798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,782.22 : 76,979.46 = 30,288.46 : x
  2. Step 2: Convert to fraction form
    55,782.22/76,979.46 = 30,288.46/x
  3. Step 3: Cross multiply
    55,782.22x = 76,979.46 × 30,288.46
  4. Step 4: Simplify right side
    55,782.22x = 2,331,589,295.03
  5. Step 5: Solve for x
    x = 2,331,589,295.03/55,782.22
  6. Step 6: Final answer
    x = 41,798.07

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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.