Home / 47,112.25-70,670.81-12,052.21

Finding the Fourth Proportional to 47,112.25, 70,670.81 and 12,052.21

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Solution

The fourth proportional to 47,112.25, 70,670.81 and 12,052.21 is: 18,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,112.25 : 70,670.81 = 12,052.21 : x
  2. Step 2: Convert to fraction form
    47,112.25/70,670.81 = 12,052.21/x
  3. Step 3: Cross multiply
    47,112.25x = 70,670.81 × 12,052.21
  4. Step 4: Simplify right side
    47,112.25x = 851,739,442.99
  5. Step 5: Solve for x
    x = 851,739,442.99/47,112.25
  6. Step 6: Final answer
    x = 18,078.94

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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.