Home / 49,399.99-74,099.87-38,171.65

Finding the Fourth Proportional to 49,399.99, 74,099.87 and 38,171.65

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Solution

The fourth proportional to 49,399.99, 74,099.87 and 38,171.65 is: 57,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,399.99 : 74,099.87 = 38,171.65 : x
  2. Step 2: Convert to fraction form
    49,399.99/74,099.87 = 38,171.65/x
  3. Step 3: Cross multiply
    49,399.99x = 74,099.87 × 38,171.65
  4. Step 4: Simplify right side
    49,399.99x = 2,828,513,926.58
  5. Step 5: Solve for x
    x = 2,828,513,926.58/49,399.99
  6. Step 6: Final answer
    x = 57,257.38

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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.