Home / 55,550.19-76,657.32-31,684.56

Finding the Fourth Proportional to 55,550.19, 76,657.32 and 31,684.56

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Solution

The fourth proportional to 55,550.19, 76,657.32 and 31,684.56 is: 43,723.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,550.19 : 76,657.32 = 31,684.56 : x
  2. Step 2: Convert to fraction form
    55,550.19/76,657.32 = 31,684.56/x
  3. Step 3: Cross multiply
    55,550.19x = 76,657.32 × 31,684.56
  4. Step 4: Simplify right side
    55,550.19x = 2,428,853,454.98
  5. Step 5: Solve for x
    x = 2,428,853,454.98/55,550.19
  6. Step 6: Final answer
    x = 43,723.59

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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.