Home / 104,760.82-144,567.16-57,013.14

Finding the Fourth Proportional to 104,760.82, 144,567.16 and 57,013.14

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Solution

The fourth proportional to 104,760.82, 144,567.16 and 57,013.14 is: 78,676.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,760.82 : 144,567.16 = 57,013.14 : x
  2. Step 2: Convert to fraction form
    104,760.82/144,567.16 = 57,013.14/x
  3. Step 3: Cross multiply
    104,760.82x = 144,567.16 × 57,013.14
  4. Step 4: Simplify right side
    104,760.82x = 8,242,228,345.88
  5. Step 5: Solve for x
    x = 8,242,228,345.88/104,760.82
  6. Step 6: Final answer
    x = 78,676.63

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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.