Home / 66,272.78-91,453.70-36,058.22

Finding the Fourth Proportional to 66,272.78, 91,453.70 and 36,058.22

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Solution

The fourth proportional to 66,272.78, 91,453.70 and 36,058.22 is: 49,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,272.78 : 91,453.70 = 36,058.22 : x
  2. Step 2: Convert to fraction form
    66,272.78/91,453.70 = 36,058.22/x
  3. Step 3: Cross multiply
    66,272.78x = 91,453.70 × 36,058.22
  4. Step 4: Simplify right side
    66,272.78x = 3,297,658,124.67
  5. Step 5: Solve for x
    x = 3,297,658,124.67/66,272.78
  6. Step 6: Final answer
    x = 49,758.86

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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.