Home / 47,112.88-70,671.74-12,052.84

Finding the Fourth Proportional to 47,112.88, 70,671.74 and 12,052.84

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Solution

The fourth proportional to 47,112.88, 70,671.74 and 12,052.84 is: 18,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,112.88 : 70,671.74 = 12,052.84 : x
  2. Step 2: Convert to fraction form
    47,112.88/70,671.74 = 12,052.84/x
  3. Step 3: Cross multiply
    47,112.88x = 70,671.74 × 12,052.84
  4. Step 4: Simplify right side
    47,112.88x = 851,795,174.74
  5. Step 5: Solve for x
    x = 851,795,174.74/47,112.88
  6. Step 6: Final answer
    x = 18,079.88

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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.