Home / 104,291.96-143,922.03-58,978.85

Finding the Fourth Proportional to 104,291.96, 143,922.03 and 58,978.85

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Solution

The fourth proportional to 104,291.96, 143,922.03 and 58,978.85 is: 81,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,291.96 : 143,922.03 = 58,978.85 : x
  2. Step 2: Convert to fraction form
    104,291.96/143,922.03 = 58,978.85/x
  3. Step 3: Cross multiply
    104,291.96x = 143,922.03 × 58,978.85
  4. Step 4: Simplify right side
    104,291.96x = 8,488,355,099.46
  5. Step 5: Solve for x
    x = 8,488,355,099.46/104,291.96
  6. Step 6: Final answer
    x = 81,390.32

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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.