Home / 40,127.40-60,198.30-16,756.20

Finding the Fourth Proportional to 40,127.40, 60,198.30 and 16,756.20

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Solution

The fourth proportional to 40,127.40, 60,198.30 and 16,756.20 is: 25,137.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,127.40 : 60,198.30 = 16,756.20 : x
  2. Step 2: Convert to fraction form
    40,127.40/60,198.30 = 16,756.20/x
  3. Step 3: Cross multiply
    40,127.40x = 60,198.30 × 16,756.20
  4. Step 4: Simplify right side
    40,127.40x = 1,008,694,754.46
  5. Step 5: Solve for x
    x = 1,008,694,754.46/40,127.40
  6. Step 6: Final answer
    x = 25,137.31

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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.