Home / 45,929.82-63,378.78-25,782.09

Finding the Fourth Proportional to 45,929.82, 63,378.78 and 25,782.09

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Solution

The fourth proportional to 45,929.82, 63,378.78 and 25,782.09 is: 35,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,929.82 : 63,378.78 = 25,782.09 : x
  2. Step 2: Convert to fraction form
    45,929.82/63,378.78 = 25,782.09/x
  3. Step 3: Cross multiply
    45,929.82x = 63,378.78 × 25,782.09
  4. Step 4: Simplify right side
    45,929.82x = 1,634,037,410.05
  5. Step 5: Solve for x
    x = 1,634,037,410.05/45,929.82
  6. Step 6: Final answer
    x = 35,576.83

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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.