Home / 58,245.26-80,521.70-57,712.43

Finding the Fourth Proportional to 58,245.26, 80,521.70 and 57,712.43

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Solution

The fourth proportional to 58,245.26, 80,521.70 and 57,712.43 is: 79,785.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,245.26 : 80,521.70 = 57,712.43 : x
  2. Step 2: Convert to fraction form
    58,245.26/80,521.70 = 57,712.43/x
  3. Step 3: Cross multiply
    58,245.26x = 80,521.70 × 57,712.43
  4. Step 4: Simplify right side
    58,245.26x = 4,647,103,057.32
  5. Step 5: Solve for x
    x = 4,647,103,057.32/58,245.26
  6. Step 6: Final answer
    x = 79,785.09

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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.