Home / 75,499.74-113,235.03-28,741.68

Finding the Fourth Proportional to 75,499.74, 113,235.03 and 28,741.68

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Solution

The fourth proportional to 75,499.74, 113,235.03 and 28,741.68 is: 43,106.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,499.74 : 113,235.03 = 28,741.68 : x
  2. Step 2: Convert to fraction form
    75,499.74/113,235.03 = 28,741.68/x
  3. Step 3: Cross multiply
    75,499.74x = 113,235.03 × 28,741.68
  4. Step 4: Simplify right side
    75,499.74x = 3,254,564,997.05
  5. Step 5: Solve for x
    x = 3,254,564,997.05/75,499.74
  6. Step 6: Final answer
    x = 43,106.97

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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.