Home / 66,619.22-91,974.57-41,502.74

Finding the Fourth Proportional to 66,619.22, 91,974.57 and 41,502.74

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Solution

The fourth proportional to 66,619.22, 91,974.57 and 41,502.74 is: 57,298.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,619.22 : 91,974.57 = 41,502.74 : x
  2. Step 2: Convert to fraction form
    66,619.22/91,974.57 = 41,502.74/x
  3. Step 3: Cross multiply
    66,619.22x = 91,974.57 × 41,502.74
  4. Step 4: Simplify right side
    66,619.22x = 3,817,196,665.32
  5. Step 5: Solve for x
    x = 3,817,196,665.32/66,619.22
  6. Step 6: Final answer
    x = 57,298.73

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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.