Home / 52,321.23-78,481.67-14,370.54

Finding the Fourth Proportional to 52,321.23, 78,481.67 and 14,370.54

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Solution

The fourth proportional to 52,321.23, 78,481.67 and 14,370.54 is: 21,555.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,321.23 : 78,481.67 = 14,370.54 : x
  2. Step 2: Convert to fraction form
    52,321.23/78,481.67 = 14,370.54/x
  3. Step 3: Cross multiply
    52,321.23x = 78,481.67 × 14,370.54
  4. Step 4: Simplify right side
    52,321.23x = 1,127,823,611.84
  5. Step 5: Solve for x
    x = 1,127,823,611.84/52,321.23
  6. Step 6: Final answer
    x = 21,555.75

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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.