Home / 100,395.05-150,492.75-50,322.32

Finding the Fourth Proportional to 100,395.05, 150,492.75 and 50,322.32

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Solution

The fourth proportional to 100,395.05, 150,492.75 and 50,322.32 is: 75,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,395.05 : 150,492.75 = 50,322.32 : x
  2. Step 2: Convert to fraction form
    100,395.05/150,492.75 = 50,322.32/x
  3. Step 3: Cross multiply
    100,395.05x = 150,492.75 × 50,322.32
  4. Step 4: Simplify right side
    100,395.05x = 7,573,143,570.72
  5. Step 5: Solve for x
    x = 7,573,143,570.72/100,395.05
  6. Step 6: Final answer
    x = 75,433.44

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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.