Home / 47,568.96-71,347.76-12,511.35

Finding the Fourth Proportional to 47,568.96, 71,347.76 and 12,511.35

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Solution

The fourth proportional to 47,568.96, 71,347.76 and 12,511.35 is: 18,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,568.96 : 71,347.76 = 12,511.35 : x
  2. Step 2: Convert to fraction form
    47,568.96/71,347.76 = 12,511.35/x
  3. Step 3: Cross multiply
    47,568.96x = 71,347.76 × 12,511.35
  4. Step 4: Simplify right side
    47,568.96x = 892,656,734.52
  5. Step 5: Solve for x
    x = 892,656,734.52/47,568.96
  6. Step 6: Final answer
    x = 18,765.53

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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.