Home / 47,076.80-70,615.16-12,016.48

Finding the Fourth Proportional to 47,076.80, 70,615.16 and 12,016.48

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Solution

The fourth proportional to 47,076.80, 70,615.16 and 12,016.48 is: 18,024.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,076.80 : 70,615.16 = 12,016.48 : x
  2. Step 2: Convert to fraction form
    47,076.80/70,615.16 = 12,016.48/x
  3. Step 3: Cross multiply
    47,076.80x = 70,615.16 × 12,016.48
  4. Step 4: Simplify right side
    47,076.80x = 848,545,657.84
  5. Step 5: Solve for x
    x = 848,545,657.84/47,076.80
  6. Step 6: Final answer
    x = 18,024.71

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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.