Home / 45,928.62-68,893.26-12,647.94

Finding the Fourth Proportional to 45,928.62, 68,893.26 and 12,647.94

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Solution

The fourth proportional to 45,928.62, 68,893.26 and 12,647.94 is: 18,972.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,928.62 : 68,893.26 = 12,647.94 : x
  2. Step 2: Convert to fraction form
    45,928.62/68,893.26 = 12,647.94/x
  3. Step 3: Cross multiply
    45,928.62x = 68,893.26 × 12,647.94
  4. Step 4: Simplify right side
    45,928.62x = 871,357,818.88
  5. Step 5: Solve for x
    x = 871,357,818.88/45,928.62
  6. Step 6: Final answer
    x = 18,972.00

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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.