Home / 75,439.64-104,106.72-41,450.30

Finding the Fourth Proportional to 75,439.64, 104,106.72 and 41,450.30

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Solution

The fourth proportional to 75,439.64, 104,106.72 and 41,450.30 is: 57,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,439.64 : 104,106.72 = 41,450.30 : x
  2. Step 2: Convert to fraction form
    75,439.64/104,106.72 = 41,450.30/x
  3. Step 3: Cross multiply
    75,439.64x = 104,106.72 × 41,450.30
  4. Step 4: Simplify right side
    75,439.64x = 4,315,254,255.48
  5. Step 5: Solve for x
    x = 4,315,254,255.48/75,439.64
  6. Step 6: Final answer
    x = 57,201.42

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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.