Home / 49,976.46-74,964.66-13,040.46

Finding the Fourth Proportional to 49,976.46, 74,964.66 and 13,040.46

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Solution

The fourth proportional to 49,976.46, 74,964.66 and 13,040.46 is: 19,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,976.46 : 74,964.66 = 13,040.46 : x
  2. Step 2: Convert to fraction form
    49,976.46/74,964.66 = 13,040.46/x
  3. Step 3: Cross multiply
    49,976.46x = 74,964.66 × 13,040.46
  4. Step 4: Simplify right side
    49,976.46x = 977,573,650.14
  5. Step 5: Solve for x
    x = 977,573,650.14/49,976.46
  6. Step 6: Final answer
    x = 19,560.68

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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.