Home / 74,284.64-111,322.20-41,019.68

Finding the Fourth Proportional to 74,284.64, 111,322.20 and 41,019.68

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Solution

The fourth proportional to 74,284.64, 111,322.20 and 41,019.68 is: 61,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,284.64 : 111,322.20 = 41,019.68 : x
  2. Step 2: Convert to fraction form
    74,284.64/111,322.20 = 41,019.68/x
  3. Step 3: Cross multiply
    74,284.64x = 111,322.20 × 41,019.68
  4. Step 4: Simplify right side
    74,284.64x = 4,566,401,020.90
  5. Step 5: Solve for x
    x = 4,566,401,020.90/74,284.64
  6. Step 6: Final answer
    x = 61,471.67

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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.