Home / 95,983.21-143,862.75-72,214.42

Finding the Fourth Proportional to 95,983.21, 143,862.75 and 72,214.42

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Solution

The fourth proportional to 95,983.21, 143,862.75 and 72,214.42 is: 108,237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,983.21 : 143,862.75 = 72,214.42 : x
  2. Step 2: Convert to fraction form
    95,983.21/143,862.75 = 72,214.42/x
  3. Step 3: Cross multiply
    95,983.21x = 143,862.75 × 72,214.42
  4. Step 4: Simplify right side
    95,983.21x = 10,388,965,050.86
  5. Step 5: Solve for x
    x = 10,388,965,050.86/95,983.21
  6. Step 6: Final answer
    x = 108,237.32

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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.