Home / 75,441.45-104,109.90-41,450.64

Finding the Fourth Proportional to 75,441.45, 104,109.90 and 41,450.64

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Solution

The fourth proportional to 75,441.45, 104,109.90 and 41,450.64 is: 57,202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,441.45 : 104,109.90 = 41,450.64 : x
  2. Step 2: Convert to fraction form
    75,441.45/104,109.90 = 41,450.64/x
  3. Step 3: Cross multiply
    75,441.45x = 104,109.90 × 41,450.64
  4. Step 4: Simplify right side
    75,441.45x = 4,315,421,985.34
  5. Step 5: Solve for x
    x = 4,315,421,985.34/75,441.45
  6. Step 6: Final answer
    x = 57,202.27

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1.5x scale

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.