Home / 45,836.68-68,755.08-12,557.03

Finding the Fourth Proportional to 45,836.68, 68,755.08 and 12,557.03

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Solution

The fourth proportional to 45,836.68, 68,755.08 and 12,557.03 is: 18,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,836.68 : 68,755.08 = 12,557.03 : x
  2. Step 2: Convert to fraction form
    45,836.68/68,755.08 = 12,557.03/x
  3. Step 3: Cross multiply
    45,836.68x = 68,755.08 × 12,557.03
  4. Step 4: Simplify right side
    45,836.68x = 863,359,539.43
  5. Step 5: Solve for x
    x = 863,359,539.43/45,836.68
  6. Step 6: Final answer
    x = 18,835.56

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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.