Home / 44,154.22-66,234.58-12,990.82

Finding the Fourth Proportional to 44,154.22, 66,234.58 and 12,990.82

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Solution

The fourth proportional to 44,154.22, 66,234.58 and 12,990.82 is: 19,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,154.22 : 66,234.58 = 12,990.82 : x
  2. Step 2: Convert to fraction form
    44,154.22/66,234.58 = 12,990.82/x
  3. Step 3: Cross multiply
    44,154.22x = 66,234.58 × 12,990.82
  4. Step 4: Simplify right side
    44,154.22x = 860,441,506.56
  5. Step 5: Solve for x
    x = 860,441,506.56/44,154.22
  6. Step 6: Final answer
    x = 19,487.19

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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.