Home / 66,453.94-91,704.41-37,776.74

Finding the Fourth Proportional to 66,453.94, 91,704.41 and 37,776.74

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Solution

The fourth proportional to 66,453.94, 91,704.41 and 37,776.74 is: 52,130.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,453.94 : 91,704.41 = 37,776.74 : x
  2. Step 2: Convert to fraction form
    66,453.94/91,704.41 = 37,776.74/x
  3. Step 3: Cross multiply
    66,453.94x = 91,704.41 × 37,776.74
  4. Step 4: Simplify right side
    66,453.94x = 3,464,293,147.68
  5. Step 5: Solve for x
    x = 3,464,293,147.68/66,453.94
  6. Step 6: Final answer
    x = 52,130.74

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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.