Home / 74,415.26-111,622.35-30,041.33

Finding the Fourth Proportional to 74,415.26, 111,622.35 and 30,041.33

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Solution

The fourth proportional to 74,415.26, 111,622.35 and 30,041.33 is: 45,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,415.26 : 111,622.35 = 30,041.33 : x
  2. Step 2: Convert to fraction form
    74,415.26/111,622.35 = 30,041.33/x
  3. Step 3: Cross multiply
    74,415.26x = 111,622.35 × 30,041.33
  4. Step 4: Simplify right side
    74,415.26x = 3,353,284,034.14
  5. Step 5: Solve for x
    x = 3,353,284,034.14/74,415.26
  6. Step 6: Final answer
    x = 45,061.78

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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.