Home / 117,775.44-162,535.80-67,474.56

Finding the Fourth Proportional to 117,775.44, 162,535.80 and 67,474.56

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Solution

The fourth proportional to 117,775.44, 162,535.80 and 67,474.56 is: 93,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,775.44 : 162,535.80 = 67,474.56 : x
  2. Step 2: Convert to fraction form
    117,775.44/162,535.80 = 67,474.56/x
  3. Step 3: Cross multiply
    117,775.44x = 162,535.80 × 67,474.56
  4. Step 4: Simplify right side
    117,775.44x = 10,967,031,589.25
  5. Step 5: Solve for x
    x = 10,967,031,589.25/117,775.44
  6. Step 6: Final answer
    x = 93,118.15

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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.