Home / 104,964.57-144,847.44-57,216.96

Finding the Fourth Proportional to 104,964.57, 144,847.44 and 57,216.96

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Solution

The fourth proportional to 104,964.57, 144,847.44 and 57,216.96 is: 78,957.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,964.57 : 144,847.44 = 57,216.96 : x
  2. Step 2: Convert to fraction form
    104,964.57/144,847.44 = 57,216.96/x
  3. Step 3: Cross multiply
    104,964.57x = 144,847.44 × 57,216.96
  4. Step 4: Simplify right side
    104,964.57x = 8,287,730,180.58
  5. Step 5: Solve for x
    x = 8,287,730,180.58/104,964.57
  6. Step 6: Final answer
    x = 78,957.41

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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.