Home / 55,769.12-76,927.60-33,093.20

Finding the Fourth Proportional to 55,769.12, 76,927.60 and 33,093.20

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Solution

The fourth proportional to 55,769.12, 76,927.60 and 33,093.20 is: 45,648.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,769.12 : 76,927.60 = 33,093.20 : x
  2. Step 2: Convert to fraction form
    55,769.12/76,927.60 = 33,093.20/x
  3. Step 3: Cross multiply
    55,769.12x = 76,927.60 × 33,093.20
  4. Step 4: Simplify right side
    55,769.12x = 2,545,780,452.32
  5. Step 5: Solve for x
    x = 2,545,780,452.32/55,769.12
  6. Step 6: Final answer
    x = 45,648.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.