Home / 80,310.23-110,828-44,502.56

Finding the Fourth Proportional to 80,310.23, 110,828 and 44,502.56

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Solution

The fourth proportional to 80,310.23, 110,828 and 44,502.56 is: 61,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,310.23 : 110,828 = 44,502.56 : x
  2. Step 2: Convert to fraction form
    80,310.23/110,828 = 44,502.56/x
  3. Step 3: Cross multiply
    80,310.23x = 110,828 × 44,502.56
  4. Step 4: Simplify right side
    80,310.23x = 4,932,129,165.54
  5. Step 5: Solve for x
    x = 4,932,129,165.54/80,310.23
  6. Step 6: Final answer
    x = 61,413.46

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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.