Home / 66,189.41-91,341.21-35,974.76

Finding the Fourth Proportional to 66,189.41, 91,341.21 and 35,974.76

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Solution

The fourth proportional to 66,189.41, 91,341.21 and 35,974.76 is: 49,645.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,189.41 : 91,341.21 = 35,974.76 : x
  2. Step 2: Convert to fraction form
    66,189.41/91,341.21 = 35,974.76/x
  3. Step 3: Cross multiply
    66,189.41x = 91,341.21 × 35,974.76
  4. Step 4: Simplify right side
    66,189.41x = 3,285,977,651.15
  5. Step 5: Solve for x
    x = 3,285,977,651.15/66,189.41
  6. Step 6: Final answer
    x = 49,645.07

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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.