Home / 75,467.09-104,137.80-41,475.20

Finding the Fourth Proportional to 75,467.09, 104,137.80 and 41,475.20

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Solution

The fourth proportional to 75,467.09, 104,137.80 and 41,475.20 is: 57,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,467.09 : 104,137.80 = 41,475.20 : x
  2. Step 2: Convert to fraction form
    75,467.09/104,137.80 = 41,475.20/x
  3. Step 3: Cross multiply
    75,467.09x = 104,137.80 × 41,475.20
  4. Step 4: Simplify right side
    75,467.09x = 4,319,136,082.56
  5. Step 5: Solve for x
    x = 4,319,136,082.56/75,467.09
  6. Step 6: Final answer
    x = 57,232.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.