Home / 49,720.46-74,580.68-40,936.91

Finding the Fourth Proportional to 49,720.46, 74,580.68 and 40,936.91

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Solution

The fourth proportional to 49,720.46, 74,580.68 and 40,936.91 is: 61,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,720.46 : 74,580.68 = 40,936.91 : x
  2. Step 2: Convert to fraction form
    49,720.46/74,580.68 = 40,936.91/x
  3. Step 3: Cross multiply
    49,720.46x = 74,580.68 × 40,936.91
  4. Step 4: Simplify right side
    49,720.46x = 3,053,102,873.69
  5. Step 5: Solve for x
    x = 3,053,102,873.69/49,720.46
  6. Step 6: Final answer
    x = 61,405.37

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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.