Home / 66,333.38-99,433.56-30,819.68

Finding the Fourth Proportional to 66,333.38, 99,433.56 and 30,819.68

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Solution

The fourth proportional to 66,333.38, 99,433.56 and 30,819.68 is: 46,198.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,333.38 : 99,433.56 = 30,819.68 : x
  2. Step 2: Convert to fraction form
    66,333.38/99,433.56 = 30,819.68/x
  3. Step 3: Cross multiply
    66,333.38x = 99,433.56 × 30,819.68
  4. Step 4: Simplify right side
    66,333.38x = 3,064,510,500.46
  5. Step 5: Solve for x
    x = 3,064,510,500.46/66,333.38
  6. Step 6: Final answer
    x = 46,198.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.