Home / 102,558.59-141,537.96-57,245.41

Finding the Fourth Proportional to 102,558.59, 141,537.96 and 57,245.41

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Solution

The fourth proportional to 102,558.59, 141,537.96 and 57,245.41 is: 79,002.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,558.59 : 141,537.96 = 57,245.41 : x
  2. Step 2: Convert to fraction form
    102,558.59/141,537.96 = 57,245.41/x
  3. Step 3: Cross multiply
    102,558.59x = 141,537.96 × 57,245.41
  4. Step 4: Simplify right side
    102,558.59x = 8,102,397,556.85
  5. Step 5: Solve for x
    x = 8,102,397,556.85/102,558.59
  6. Step 6: Final answer
    x = 79,002.63

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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.