Home / 66,137.96-91,271.37-35,923.87

Finding the Fourth Proportional to 66,137.96, 91,271.37 and 35,923.87

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Solution

The fourth proportional to 66,137.96, 91,271.37 and 35,923.87 is: 49,575.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,137.96 : 91,271.37 = 35,923.87 : x
  2. Step 2: Convert to fraction form
    66,137.96/91,271.37 = 35,923.87/x
  3. Step 3: Cross multiply
    66,137.96x = 91,271.37 × 35,923.87
  4. Step 4: Simplify right side
    66,137.96x = 3,278,820,542.80
  5. Step 5: Solve for x
    x = 3,278,820,542.80/66,137.96
  6. Step 6: Final answer
    x = 49,575.47

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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.