Home / 47,100.96-70,651.32-12,040.56

Finding the Fourth Proportional to 47,100.96, 70,651.32 and 12,040.56

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Solution

The fourth proportional to 47,100.96, 70,651.32 and 12,040.56 is: 18,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,100.96 : 70,651.32 = 12,040.56 : x
  2. Step 2: Convert to fraction form
    47,100.96/70,651.32 = 12,040.56/x
  3. Step 3: Cross multiply
    47,100.96x = 70,651.32 × 12,040.56
  4. Step 4: Simplify right side
    47,100.96x = 850,681,457.54
  5. Step 5: Solve for x
    x = 850,681,457.54/47,100.96
  6. Step 6: Final answer
    x = 18,060.81

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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.