Home / 104,890.93-144,821.04-80,649.25

Finding the Fourth Proportional to 104,890.93, 144,821.04 and 80,649.25

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Solution

The fourth proportional to 104,890.93, 144,821.04 and 80,649.25 is: 111,350.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,890.93 : 144,821.04 = 80,649.25 : x
  2. Step 2: Convert to fraction form
    104,890.93/144,821.04 = 80,649.25/x
  3. Step 3: Cross multiply
    104,890.93x = 144,821.04 × 80,649.25
  4. Step 4: Simplify right side
    104,890.93x = 11,679,708,260.22
  5. Step 5: Solve for x
    x = 11,679,708,260.22/104,890.93
  6. Step 6: Final answer
    x = 111,350.98

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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.