Home / 107,321.64-148,103.90-59,579.43

Finding the Fourth Proportional to 107,321.64, 148,103.90 and 59,579.43

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Solution

The fourth proportional to 107,321.64, 148,103.90 and 59,579.43 is: 82,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,321.64 : 148,103.90 = 59,579.43 : x
  2. Step 2: Convert to fraction form
    107,321.64/148,103.90 = 59,579.43/x
  3. Step 3: Cross multiply
    107,321.64x = 148,103.90 × 59,579.43
  4. Step 4: Simplify right side
    107,321.64x = 8,823,945,644.88
  5. Step 5: Solve for x
    x = 8,823,945,644.88/107,321.64
  6. Step 6: Final answer
    x = 82,219.63

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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.