Home / 49,742.37-74,606.19-18,145.03

Finding the Fourth Proportional to 49,742.37, 74,606.19 and 18,145.03

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Solution

The fourth proportional to 49,742.37, 74,606.19 and 18,145.03 is: 27,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,742.37 : 74,606.19 = 18,145.03 : x
  2. Step 2: Convert to fraction form
    49,742.37/74,606.19 = 18,145.03/x
  3. Step 3: Cross multiply
    49,742.37x = 74,606.19 × 18,145.03
  4. Step 4: Simplify right side
    49,742.37x = 1,353,731,555.74
  5. Step 5: Solve for x
    x = 1,353,731,555.74/49,742.37
  6. Step 6: Final answer
    x = 27,214.86

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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.