Home / 79,670.22-119,579.17-40,255.03

Finding the Fourth Proportional to 79,670.22, 119,579.17 and 40,255.03

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Solution

The fourth proportional to 79,670.22, 119,579.17 and 40,255.03 is: 60,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,670.22 : 119,579.17 = 40,255.03 : x
  2. Step 2: Convert to fraction form
    79,670.22/119,579.17 = 40,255.03/x
  3. Step 3: Cross multiply
    79,670.22x = 119,579.17 × 40,255.03
  4. Step 4: Simplify right side
    79,670.22x = 4,813,663,075.73
  5. Step 5: Solve for x
    x = 4,813,663,075.73/79,670.22
  6. Step 6: Final answer
    x = 60,419.85

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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.