Home / 49,724.20-74,858.47-45,369.64

Finding the Fourth Proportional to 49,724.20, 74,858.47 and 45,369.64

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Solution

The fourth proportional to 49,724.20, 74,858.47 and 45,369.64 is: 68,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,724.20 : 74,858.47 = 45,369.64 : x
  2. Step 2: Convert to fraction form
    49,724.20/74,858.47 = 45,369.64/x
  3. Step 3: Cross multiply
    49,724.20x = 74,858.47 × 45,369.64
  4. Step 4: Simplify right side
    49,724.20x = 3,396,301,834.85
  5. Step 5: Solve for x
    x = 3,396,301,834.85/49,724.20
  6. Step 6: Final answer
    x = 68,302.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.