Home / 55,575.44-83,370-18,125.48

Finding the Fourth Proportional to 55,575.44, 83,370 and 18,125.48

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Solution

The fourth proportional to 55,575.44, 83,370 and 18,125.48 is: 27,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,575.44 : 83,370 = 18,125.48 : x
  2. Step 2: Convert to fraction form
    55,575.44/83,370 = 18,125.48/x
  3. Step 3: Cross multiply
    55,575.44x = 83,370 × 18,125.48
  4. Step 4: Simplify right side
    55,575.44x = 1,511,121,267.60
  5. Step 5: Solve for x
    x = 1,511,121,267.60/55,575.44
  6. Step 6: Final answer
    x = 27,190.45

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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.