Home / 75,474.20-104,156.89-41,483.90

Finding the Fourth Proportional to 75,474.20, 104,156.89 and 41,483.90

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Solution

The fourth proportional to 75,474.20, 104,156.89 and 41,483.90 is: 57,249.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,474.20 : 104,156.89 = 41,483.90 : x
  2. Step 2: Convert to fraction form
    75,474.20/104,156.89 = 41,483.90/x
  3. Step 3: Cross multiply
    75,474.20x = 104,156.89 × 41,483.90
  4. Step 4: Simplify right side
    75,474.20x = 4,320,834,009.07
  5. Step 5: Solve for x
    x = 4,320,834,009.07/75,474.20
  6. Step 6: Final answer
    x = 57,249.15

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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.