Home / 104,338.72-143,984.82-58,397.68

Finding the Fourth Proportional to 104,338.72, 143,984.82 and 58,397.68

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Solution

The fourth proportional to 104,338.72, 143,984.82 and 58,397.68 is: 80,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,338.72 : 143,984.82 = 58,397.68 : x
  2. Step 2: Convert to fraction form
    104,338.72/143,984.82 = 58,397.68/x
  3. Step 3: Cross multiply
    104,338.72x = 143,984.82 × 58,397.68
  4. Step 4: Simplify right side
    104,338.72x = 8,408,379,443.22
  5. Step 5: Solve for x
    x = 8,408,379,443.22/104,338.72
  6. Step 6: Final answer
    x = 80,587.34

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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.