Home / 51,198.20-70,656.75-31,056.98

Finding the Fourth Proportional to 51,198.20, 70,656.75 and 31,056.98

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Solution

The fourth proportional to 51,198.20, 70,656.75 and 31,056.98 is: 42,860.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,198.20 : 70,656.75 = 31,056.98 : x
  2. Step 2: Convert to fraction form
    51,198.20/70,656.75 = 31,056.98/x
  3. Step 3: Cross multiply
    51,198.20x = 70,656.75 × 31,056.98
  4. Step 4: Simplify right side
    51,198.20x = 2,194,385,271.62
  5. Step 5: Solve for x
    x = 2,194,385,271.62/51,198.20
  6. Step 6: Final answer
    x = 42,860.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.