Home / 104,540.75-144,267.99-56,794.14

Finding the Fourth Proportional to 104,540.75, 144,267.99 and 56,794.14

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Solution

The fourth proportional to 104,540.75, 144,267.99 and 56,794.14 is: 78,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,540.75 : 144,267.99 = 56,794.14 : x
  2. Step 2: Convert to fraction form
    104,540.75/144,267.99 = 56,794.14/x
  3. Step 3: Cross multiply
    104,540.75x = 144,267.99 × 56,794.14
  4. Step 4: Simplify right side
    104,540.75x = 8,193,576,421.58
  5. Step 5: Solve for x
    x = 8,193,576,421.58/104,540.75
  6. Step 6: Final answer
    x = 78,376.87

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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.