Home / 75,429.28-104,093.10-41,438.50

Finding the Fourth Proportional to 75,429.28, 104,093.10 and 41,438.50

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Solution

The fourth proportional to 75,429.28, 104,093.10 and 41,438.50 is: 57,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,429.28 : 104,093.10 = 41,438.50 : x
  2. Step 2: Convert to fraction form
    75,429.28/104,093.10 = 41,438.50/x
  3. Step 3: Cross multiply
    75,429.28x = 104,093.10 × 41,438.50
  4. Step 4: Simplify right side
    75,429.28x = 4,313,461,924.35
  5. Step 5: Solve for x
    x = 4,313,461,924.35/75,429.28
  6. Step 6: Final answer
    x = 57,185.51

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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.