Home / 66,135.94-91,269.21-37,850.74

Finding the Fourth Proportional to 66,135.94, 91,269.21 and 37,850.74

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Solution

The fourth proportional to 66,135.94, 91,269.21 and 37,850.74 is: 52,234.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,135.94 : 91,269.21 = 37,850.74 : x
  2. Step 2: Convert to fraction form
    66,135.94/91,269.21 = 37,850.74/x
  3. Step 3: Cross multiply
    66,135.94x = 91,269.21 × 37,850.74
  4. Step 4: Simplify right side
    66,135.94x = 3,454,607,137.72
  5. Step 5: Solve for x
    x = 3,454,607,137.72/66,135.94
  6. Step 6: Final answer
    x = 52,234.94

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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.