Home / 104,745.36-144,523.40-61,726.62

Finding the Fourth Proportional to 104,745.36, 144,523.40 and 61,726.62

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Solution

The fourth proportional to 104,745.36, 144,523.40 and 61,726.62 is: 85,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,745.36 : 144,523.40 = 61,726.62 : x
  2. Step 2: Convert to fraction form
    104,745.36/144,523.40 = 61,726.62/x
  3. Step 3: Cross multiply
    104,745.36x = 144,523.40 × 61,726.62
  4. Step 4: Simplify right side
    104,745.36x = 8,920,940,992.91
  5. Step 5: Solve for x
    x = 8,920,940,992.91/104,745.36
  6. Step 6: Final answer
    x = 85,167.89

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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.