Home / 47,846.16-71,763.60-12,788.52

Finding the Fourth Proportional to 47,846.16, 71,763.60 and 12,788.52

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Solution

The fourth proportional to 47,846.16, 71,763.60 and 12,788.52 is: 19,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,846.16 : 71,763.60 = 12,788.52 : x
  2. Step 2: Convert to fraction form
    47,846.16/71,763.60 = 12,788.52/x
  3. Step 3: Cross multiply
    47,846.16x = 71,763.60 × 12,788.52
  4. Step 4: Simplify right side
    47,846.16x = 917,750,233.87
  5. Step 5: Solve for x
    x = 917,750,233.87/47,846.16
  6. Step 6: Final answer
    x = 19,181.27

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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.