Home / 66,966.39-92,414.75-36,754.56

Finding the Fourth Proportional to 66,966.39, 92,414.75 and 36,754.56

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Solution

The fourth proportional to 66,966.39, 92,414.75 and 36,754.56 is: 50,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,966.39 : 92,414.75 = 36,754.56 : x
  2. Step 2: Convert to fraction form
    66,966.39/92,414.75 = 36,754.56/x
  3. Step 3: Cross multiply
    66,966.39x = 92,414.75 × 36,754.56
  4. Step 4: Simplify right side
    66,966.39x = 3,396,663,289.99
  5. Step 5: Solve for x
    x = 3,396,663,289.99/66,966.39
  6. Step 6: Final answer
    x = 50,721.91

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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.