Home / 55,126.82-82,731.84-40,373.98

Finding the Fourth Proportional to 55,126.82, 82,731.84 and 40,373.98

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Solution

The fourth proportional to 55,126.82, 82,731.84 and 40,373.98 is: 60,591.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,126.82 : 82,731.84 = 40,373.98 : x
  2. Step 2: Convert to fraction form
    55,126.82/82,731.84 = 40,373.98/x
  3. Step 3: Cross multiply
    55,126.82x = 82,731.84 × 40,373.98
  4. Step 4: Simplify right side
    55,126.82x = 3,340,213,653.52
  5. Step 5: Solve for x
    x = 3,340,213,653.52/55,126.82
  6. Step 6: Final answer
    x = 60,591.44

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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.