Home / 107,984.99-162,026.72-55,431.41

Finding the Fourth Proportional to 107,984.99, 162,026.72 and 55,431.41

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Solution

The fourth proportional to 107,984.99, 162,026.72 and 55,431.41 is: 83,172.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,984.99 : 162,026.72 = 55,431.41 : x
  2. Step 2: Convert to fraction form
    107,984.99/162,026.72 = 55,431.41/x
  3. Step 3: Cross multiply
    107,984.99x = 162,026.72 × 55,431.41
  4. Step 4: Simplify right side
    107,984.99x = 8,981,369,270.12
  5. Step 5: Solve for x
    x = 8,981,369,270.12/107,984.99
  6. Step 6: Final answer
    x = 83,172.39

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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.