Home / 74,544.21-111,816.33-51,099.57

Finding the Fourth Proportional to 74,544.21, 111,816.33 and 51,099.57

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Solution

The fourth proportional to 74,544.21, 111,816.33 and 51,099.57 is: 76,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,544.21 : 111,816.33 = 51,099.57 : x
  2. Step 2: Convert to fraction form
    74,544.21/111,816.33 = 51,099.57/x
  3. Step 3: Cross multiply
    74,544.21x = 111,816.33 × 51,099.57
  4. Step 4: Simplify right side
    74,544.21x = 5,713,766,381.98
  5. Step 5: Solve for x
    x = 5,713,766,381.98/74,544.21
  6. Step 6: Final answer
    x = 76,649.37

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1.5x scale

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.