Home / 54,379.86-81,508.32-29,364.18

Finding the Fourth Proportional to 54,379.86, 81,508.32 and 29,364.18

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Solution

The fourth proportional to 54,379.86, 81,508.32 and 29,364.18 is: 44,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,379.86 : 81,508.32 = 29,364.18 : x
  2. Step 2: Convert to fraction form
    54,379.86/81,508.32 = 29,364.18/x
  3. Step 3: Cross multiply
    54,379.86x = 81,508.32 × 29,364.18
  4. Step 4: Simplify right side
    54,379.86x = 2,393,424,979.98
  5. Step 5: Solve for x
    x = 2,393,424,979.98/54,379.86
  6. Step 6: Final answer
    x = 44,013.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.