Home / 75,558.06-113,263.16-28,138.37

Finding the Fourth Proportional to 75,558.06, 113,263.16 and 28,138.37

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Solution

The fourth proportional to 75,558.06, 113,263.16 and 28,138.37 is: 42,180.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,558.06 : 113,263.16 = 28,138.37 : x
  2. Step 2: Convert to fraction form
    75,558.06/113,263.16 = 28,138.37/x
  3. Step 3: Cross multiply
    75,558.06x = 113,263.16 × 28,138.37
  4. Step 4: Simplify right side
    75,558.06x = 3,187,039,996.44
  5. Step 5: Solve for x
    x = 3,187,039,996.44/75,558.06
  6. Step 6: Final answer
    x = 42,180.01

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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.