Home / 73,212.12-109,779.30-49,845.24

Finding the Fourth Proportional to 73,212.12, 109,779.30 and 49,845.24

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Solution

The fourth proportional to 73,212.12, 109,779.30 and 49,845.24 is: 74,741.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,212.12 : 109,779.30 = 49,845.24 : x
  2. Step 2: Convert to fraction form
    73,212.12/109,779.30 = 49,845.24/x
  3. Step 3: Cross multiply
    73,212.12x = 109,779.30 × 49,845.24
  4. Step 4: Simplify right side
    73,212.12x = 5,471,975,555.53
  5. Step 5: Solve for x
    x = 5,471,975,555.53/73,212.12
  6. Step 6: Final answer
    x = 74,741.39

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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.