Home / 104,799.12-144,622.80-57,052.44

Finding the Fourth Proportional to 104,799.12, 144,622.80 and 57,052.44

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Solution

The fourth proportional to 104,799.12, 144,622.80 and 57,052.44 is: 78,732.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,799.12 : 144,622.80 = 57,052.44 : x
  2. Step 2: Convert to fraction form
    104,799.12/144,622.80 = 57,052.44/x
  3. Step 3: Cross multiply
    104,799.12x = 144,622.80 × 57,052.44
  4. Step 4: Simplify right side
    104,799.12x = 8,251,083,619.63
  5. Step 5: Solve for x
    x = 8,251,083,619.63/104,799.12
  6. Step 6: Final answer
    x = 78,732.38

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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.