Home / 47,198.18-70,796.92-19,117.81

Finding the Fourth Proportional to 47,198.18, 70,796.92 and 19,117.81

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Solution

The fourth proportional to 47,198.18, 70,796.92 and 19,117.81 is: 28,676.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,198.18 : 70,796.92 = 19,117.81 : x
  2. Step 2: Convert to fraction form
    47,198.18/70,796.92 = 19,117.81/x
  3. Step 3: Cross multiply
    47,198.18x = 70,796.92 × 19,117.81
  4. Step 4: Simplify right side
    47,198.18x = 1,353,482,065.15
  5. Step 5: Solve for x
    x = 1,353,482,065.15/47,198.18
  6. Step 6: Final answer
    x = 28,676.57

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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.