Home / 80,625.61-120,907.30-26,577.32

Finding the Fourth Proportional to 80,625.61, 120,907.30 and 26,577.32

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Solution

The fourth proportional to 80,625.61, 120,907.30 and 26,577.32 is: 39,855.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,625.61 : 120,907.30 = 26,577.32 : x
  2. Step 2: Convert to fraction form
    80,625.61/120,907.30 = 26,577.32/x
  3. Step 3: Cross multiply
    80,625.61x = 120,907.30 × 26,577.32
  4. Step 4: Simplify right side
    80,625.61x = 3,213,392,002.44
  5. Step 5: Solve for x
    x = 3,213,392,002.44/80,625.61
  6. Step 6: Final answer
    x = 39,855.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.