Home / 49,719.53-74,579.30-40,935.99

Finding the Fourth Proportional to 49,719.53, 74,579.30 and 40,935.99

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Solution

The fourth proportional to 49,719.53, 74,579.30 and 40,935.99 is: 61,403.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,719.53 : 74,579.30 = 40,935.99 : x
  2. Step 2: Convert to fraction form
    49,719.53/74,579.30 = 40,935.99/x
  3. Step 3: Cross multiply
    49,719.53x = 74,579.30 × 40,935.99
  4. Step 4: Simplify right side
    49,719.53x = 3,052,977,460.78
  5. Step 5: Solve for x
    x = 3,052,977,460.78/49,719.53
  6. Step 6: Final answer
    x = 61,403.99

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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.