Home / 53,586.20-80,379.72-14,143.04

Finding the Fourth Proportional to 53,586.20, 80,379.72 and 14,143.04

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Solution

The fourth proportional to 53,586.20, 80,379.72 and 14,143.04 is: 21,214.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,586.20 : 80,379.72 = 14,143.04 : x
  2. Step 2: Convert to fraction form
    53,586.20/80,379.72 = 14,143.04/x
  3. Step 3: Cross multiply
    53,586.20x = 80,379.72 × 14,143.04
  4. Step 4: Simplify right side
    53,586.20x = 1,136,813,595.15
  5. Step 5: Solve for x
    x = 1,136,813,595.15/53,586.20
  6. Step 6: Final answer
    x = 21,214.67

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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.