Home / 47,572.40-71,352.96-12,514.80

Finding the Fourth Proportional to 47,572.40, 71,352.96 and 12,514.80

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Solution

The fourth proportional to 47,572.40, 71,352.96 and 12,514.80 is: 18,770.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,572.40 : 71,352.96 = 12,514.80 : x
  2. Step 2: Convert to fraction form
    47,572.40/71,352.96 = 12,514.80/x
  3. Step 3: Cross multiply
    47,572.40x = 71,352.96 × 12,514.80
  4. Step 4: Simplify right side
    47,572.40x = 892,968,023.81
  5. Step 5: Solve for x
    x = 892,968,023.81/47,572.40
  6. Step 6: Final answer
    x = 18,770.72

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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.