Home / 104,717.73-144,511.09-56,971.42

Finding the Fourth Proportional to 104,717.73, 144,511.09 and 56,971.42

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Solution

The fourth proportional to 104,717.73, 144,511.09 and 56,971.42 is: 78,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,717.73 : 144,511.09 = 56,971.42 : x
  2. Step 2: Convert to fraction form
    104,717.73/144,511.09 = 56,971.42/x
  3. Step 3: Cross multiply
    104,717.73x = 144,511.09 × 56,971.42
  4. Step 4: Simplify right side
    104,717.73x = 8,233,001,280.49
  5. Step 5: Solve for x
    x = 8,233,001,280.49/104,717.73
  6. Step 6: Final answer
    x = 78,620.90

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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.