Home / 104,929.66-144,802.96-57,183.02

Finding the Fourth Proportional to 104,929.66, 144,802.96 and 57,183.02

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Solution

The fourth proportional to 104,929.66, 144,802.96 and 57,183.02 is: 78,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,929.66 : 144,802.96 = 57,183.02 : x
  2. Step 2: Convert to fraction form
    104,929.66/144,802.96 = 57,183.02/x
  3. Step 3: Cross multiply
    104,929.66x = 144,802.96 × 57,183.02
  4. Step 4: Simplify right side
    104,929.66x = 8,280,270,557.74
  5. Step 5: Solve for x
    x = 8,280,270,557.74/104,929.66
  6. Step 6: Final answer
    x = 78,912.58

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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.