Home / 95,431.03-143,135.61-25,315.81

Finding the Fourth Proportional to 95,431.03, 143,135.61 and 25,315.81

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Solution

The fourth proportional to 95,431.03, 143,135.61 and 25,315.81 is: 37,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,431.03 : 143,135.61 = 25,315.81 : x
  2. Step 2: Convert to fraction form
    95,431.03/143,135.61 = 25,315.81/x
  3. Step 3: Cross multiply
    95,431.03x = 143,135.61 × 25,315.81
  4. Step 4: Simplify right side
    95,431.03x = 3,623,593,906.99
  5. Step 5: Solve for x
    x = 3,623,593,906.99/95,431.03
  6. Step 6: Final answer
    x = 37,970.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.