Home / 99,767.22-149,412.46-55,283.64

Finding the Fourth Proportional to 99,767.22, 149,412.46 and 55,283.64

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Solution

The fourth proportional to 99,767.22, 149,412.46 and 55,283.64 is: 82,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,767.22 : 149,412.46 = 55,283.64 : x
  2. Step 2: Convert to fraction form
    99,767.22/149,412.46 = 55,283.64/x
  3. Step 3: Cross multiply
    99,767.22x = 149,412.46 × 55,283.64
  4. Step 4: Simplify right side
    99,767.22x = 8,260,064,650.15
  5. Step 5: Solve for x
    x = 8,260,064,650.15/99,767.22
  6. Step 6: Final answer
    x = 82,793.37

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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.