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Finding the Fourth Proportional to 82,375.44, 113,678.52 and 44,649.36

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Solution

The fourth proportional to 82,375.44, 113,678.52 and 44,649.36 is: 61,616.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,375.44 : 113,678.52 = 44,649.36 : x
  2. Step 2: Convert to fraction form
    82,375.44/113,678.52 = 44,649.36/x
  3. Step 3: Cross multiply
    82,375.44x = 113,678.52 × 44,649.36
  4. Step 4: Simplify right side
    82,375.44x = 5,075,673,163.75
  5. Step 5: Solve for x
    x = 5,075,673,163.75/82,375.44
  6. Step 6: Final answer
    x = 61,616.34

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1.5x scale

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.