Home / 104,739.48-144,538.14-56,992.94

Finding the Fourth Proportional to 104,739.48, 144,538.14 and 56,992.94

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Solution

The fourth proportional to 104,739.48, 144,538.14 and 56,992.94 is: 78,648.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,739.48 : 144,538.14 = 56,992.94 : x
  2. Step 2: Convert to fraction form
    104,739.48/144,538.14 = 56,992.94/x
  3. Step 3: Cross multiply
    104,739.48x = 144,538.14 × 56,992.94
  4. Step 4: Simplify right side
    104,739.48x = 8,237,653,540.73
  5. Step 5: Solve for x
    x = 8,237,653,540.73/104,739.48
  6. Step 6: Final answer
    x = 78,648.98

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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.