Home / 74,449.26-111,579.96-30,051.30

Finding the Fourth Proportional to 74,449.26, 111,579.96 and 30,051.30

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Solution

The fourth proportional to 74,449.26, 111,579.96 and 30,051.30 is: 45,039.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,449.26 : 111,579.96 = 30,051.30 : x
  2. Step 2: Convert to fraction form
    74,449.26/111,579.96 = 30,051.30/x
  3. Step 3: Cross multiply
    74,449.26x = 111,579.96 × 30,051.30
  4. Step 4: Simplify right side
    74,449.26x = 3,353,122,851.95
  5. Step 5: Solve for x
    x = 3,353,122,851.95/74,449.26
  6. Step 6: Final answer
    x = 45,039.04

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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.