Home / 78,668.21-108,562.27-44,676.69

Finding the Fourth Proportional to 78,668.21, 108,562.27 and 44,676.69

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Solution

The fourth proportional to 78,668.21, 108,562.27 and 44,676.69 is: 61,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,668.21 : 108,562.27 = 44,676.69 : x
  2. Step 2: Convert to fraction form
    78,668.21/108,562.27 = 44,676.69/x
  3. Step 3: Cross multiply
    78,668.21x = 108,562.27 × 44,676.69
  4. Step 4: Simplify right side
    78,668.21x = 4,850,202,627.13
  5. Step 5: Solve for x
    x = 4,850,202,627.13/78,668.21
  6. Step 6: Final answer
    x = 61,653.91

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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.