Home / 104,930.23-144,799.49-57,182.55

Finding the Fourth Proportional to 104,930.23, 144,799.49 and 57,182.55

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Solution

The fourth proportional to 104,930.23, 144,799.49 and 57,182.55 is: 78,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,930.23 : 144,799.49 = 57,182.55 : x
  2. Step 2: Convert to fraction form
    104,930.23/144,799.49 = 57,182.55/x
  3. Step 3: Cross multiply
    104,930.23x = 144,799.49 × 57,182.55
  4. Step 4: Simplify right side
    104,930.23x = 8,280,003,790.99
  5. Step 5: Solve for x
    x = 8,280,003,790.99/104,930.23
  6. Step 6: Final answer
    x = 78,909.61

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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.