Home / 104,940.48-144,819.54-57,193.86

Finding the Fourth Proportional to 104,940.48, 144,819.54 and 57,193.86

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Solution

The fourth proportional to 104,940.48, 144,819.54 and 57,193.86 is: 78,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,940.48 : 144,819.54 = 57,193.86 : x
  2. Step 2: Convert to fraction form
    104,940.48/144,819.54 = 57,193.86/x
  3. Step 3: Cross multiply
    104,940.48x = 144,819.54 × 57,193.86
  4. Step 4: Simplify right side
    104,940.48x = 8,282,788,496.02
  5. Step 5: Solve for x
    x = 8,282,788,496.02/104,940.48
  6. Step 6: Final answer
    x = 78,928.44

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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.