Home / 66,291.36-91,375.86-44,774.37

Finding the Fourth Proportional to 66,291.36, 91,375.86 and 44,774.37

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Solution

The fourth proportional to 66,291.36, 91,375.86 and 44,774.37 is: 61,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,291.36 : 91,375.86 = 44,774.37 : x
  2. Step 2: Convert to fraction form
    66,291.36/91,375.86 = 44,774.37/x
  3. Step 3: Cross multiply
    66,291.36x = 91,375.86 × 44,774.37
  4. Step 4: Simplify right side
    66,291.36x = 4,091,296,732.61
  5. Step 5: Solve for x
    x = 4,091,296,732.61/66,291.36
  6. Step 6: Final answer
    x = 61,716.89

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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.