Home / 43,766.24-65,643.89-12,178.67

Finding the Fourth Proportional to 43,766.24, 65,643.89 and 12,178.67

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Solution

The fourth proportional to 43,766.24, 65,643.89 and 12,178.67 is: 18,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,766.24 : 65,643.89 = 12,178.67 : x
  2. Step 2: Convert to fraction form
    43,766.24/65,643.89 = 12,178.67/x
  3. Step 3: Cross multiply
    43,766.24x = 65,643.89 × 12,178.67
  4. Step 4: Simplify right side
    43,766.24x = 799,454,884.71
  5. Step 5: Solve for x
    x = 799,454,884.71/43,766.24
  6. Step 6: Final answer
    x = 18,266.48

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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.