Home / 66,511.18-91,785.69-36,297.17

Finding the Fourth Proportional to 66,511.18, 91,785.69 and 36,297.17

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Solution

The fourth proportional to 66,511.18, 91,785.69 and 36,297.17 is: 50,090.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,511.18 : 91,785.69 = 36,297.17 : x
  2. Step 2: Convert to fraction form
    66,511.18/91,785.69 = 36,297.17/x
  3. Step 3: Cross multiply
    66,511.18x = 91,785.69 × 36,297.17
  4. Step 4: Simplify right side
    66,511.18x = 3,331,560,793.50
  5. Step 5: Solve for x
    x = 3,331,560,793.50/66,511.18
  6. Step 6: Final answer
    x = 50,090.24

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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.