Home / 66,457.41-91,716.66-37,786.06

Finding the Fourth Proportional to 66,457.41, 91,716.66 and 37,786.06

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Solution

The fourth proportional to 66,457.41, 91,716.66 and 37,786.06 is: 52,147.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,457.41 : 91,716.66 = 37,786.06 : x
  2. Step 2: Convert to fraction form
    66,457.41/91,716.66 = 37,786.06/x
  3. Step 3: Cross multiply
    66,457.41x = 91,716.66 × 37,786.06
  4. Step 4: Simplify right side
    66,457.41x = 3,465,611,332.41
  5. Step 5: Solve for x
    x = 3,465,611,332.41/66,457.41
  6. Step 6: Final answer
    x = 52,147.86

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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.