Home / 104,799.82-144,619.20-57,053.10

Finding the Fourth Proportional to 104,799.82, 144,619.20 and 57,053.10

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Solution

The fourth proportional to 104,799.82, 144,619.20 and 57,053.10 is: 78,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,799.82 : 144,619.20 = 57,053.10 : x
  2. Step 2: Convert to fraction form
    104,799.82/144,619.20 = 57,053.10/x
  3. Step 3: Cross multiply
    104,799.82x = 144,619.20 × 57,053.10
  4. Step 4: Simplify right side
    104,799.82x = 8,250,973,679.52
  5. Step 5: Solve for x
    x = 8,250,973,679.52/104,799.82
  6. Step 6: Final answer
    x = 78,730.80

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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.