Home / 55,761.66-76,951.27-30,268.05

Finding the Fourth Proportional to 55,761.66, 76,951.27 and 30,268.05

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Solution

The fourth proportional to 55,761.66, 76,951.27 and 30,268.05 is: 41,770.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,761.66 : 76,951.27 = 30,268.05 : x
  2. Step 2: Convert to fraction form
    55,761.66/76,951.27 = 30,268.05/x
  3. Step 3: Cross multiply
    55,761.66x = 76,951.27 × 30,268.05
  4. Step 4: Simplify right side
    55,761.66x = 2,329,164,887.92
  5. Step 5: Solve for x
    x = 2,329,164,887.92/55,761.66
  6. Step 6: Final answer
    x = 41,770.01

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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.