Home / 54,409.32-81,761.40-29,467.80

Finding the Fourth Proportional to 54,409.32, 81,761.40 and 29,467.80

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Solution

The fourth proportional to 54,409.32, 81,761.40 and 29,467.80 is: 44,281.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,409.32 : 81,761.40 = 29,467.80 : x
  2. Step 2: Convert to fraction form
    54,409.32/81,761.40 = 29,467.80/x
  3. Step 3: Cross multiply
    54,409.32x = 81,761.40 × 29,467.80
  4. Step 4: Simplify right side
    54,409.32x = 2,409,328,582.92
  5. Step 5: Solve for x
    x = 2,409,328,582.92/54,409.32
  6. Step 6: Final answer
    x = 44,281.54

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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.