Home / 75,499.84-113,328.44-73,805.54

Finding the Fourth Proportional to 75,499.84, 113,328.44 and 73,805.54

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Solution

The fourth proportional to 75,499.84, 113,328.44 and 73,805.54 is: 110,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,499.84 : 113,328.44 = 73,805.54 : x
  2. Step 2: Convert to fraction form
    75,499.84/113,328.44 = 73,805.54/x
  3. Step 3: Cross multiply
    75,499.84x = 113,328.44 × 73,805.54
  4. Step 4: Simplify right side
    75,499.84x = 8,364,266,711.56
  5. Step 5: Solve for x
    x = 8,364,266,711.56/75,499.84
  6. Step 6: Final answer
    x = 110,785.22

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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.