Home / 53,852.23-80,741.89-18,772.75

Finding the Fourth Proportional to 53,852.23, 80,741.89 and 18,772.75

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Solution

The fourth proportional to 53,852.23, 80,741.89 and 18,772.75 is: 28,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,852.23 : 80,741.89 = 18,772.75 : x
  2. Step 2: Convert to fraction form
    53,852.23/80,741.89 = 18,772.75/x
  3. Step 3: Cross multiply
    53,852.23x = 80,741.89 × 18,772.75
  4. Step 4: Simplify right side
    53,852.23x = 1,515,747,315.50
  5. Step 5: Solve for x
    x = 1,515,747,315.50/53,852.23
  6. Step 6: Final answer
    x = 28,146.42

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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.