Home / 52,455.99-78,676.11-16,912.74

Finding the Fourth Proportional to 52,455.99, 78,676.11 and 16,912.74

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Solution

The fourth proportional to 52,455.99, 78,676.11 and 16,912.74 is: 25,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,455.99 : 78,676.11 = 16,912.74 : x
  2. Step 2: Convert to fraction form
    52,455.99/78,676.11 = 16,912.74/x
  3. Step 3: Cross multiply
    52,455.99x = 78,676.11 × 16,912.74
  4. Step 4: Simplify right side
    52,455.99x = 1,330,628,592.64
  5. Step 5: Solve for x
    x = 1,330,628,592.64/52,455.99
  6. Step 6: Final answer
    x = 25,366.57

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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.