Home / 43,234.20-64,851.30-12,069.45

Finding the Fourth Proportional to 43,234.20, 64,851.30 and 12,069.45

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Solution

The fourth proportional to 43,234.20, 64,851.30 and 12,069.45 is: 18,104.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,234.20 : 64,851.30 = 12,069.45 : x
  2. Step 2: Convert to fraction form
    43,234.20/64,851.30 = 12,069.45/x
  3. Step 3: Cross multiply
    43,234.20x = 64,851.30 × 12,069.45
  4. Step 4: Simplify right side
    43,234.20x = 782,719,522.79
  5. Step 5: Solve for x
    x = 782,719,522.79/43,234.20
  6. Step 6: Final answer
    x = 18,104.18

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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.