Home / 55,211.84-76,115.78-37,278.44

Finding the Fourth Proportional to 55,211.84, 76,115.78 and 37,278.44

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Solution

The fourth proportional to 55,211.84, 76,115.78 and 37,278.44 is: 51,392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,211.84 : 76,115.78 = 37,278.44 : x
  2. Step 2: Convert to fraction form
    55,211.84/76,115.78 = 37,278.44/x
  3. Step 3: Cross multiply
    55,211.84x = 76,115.78 × 37,278.44
  4. Step 4: Simplify right side
    55,211.84x = 2,837,477,537.78
  5. Step 5: Solve for x
    x = 2,837,477,537.78/55,211.84
  6. Step 6: Final answer
    x = 51,392.56

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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.