Home / 107,607.96-161,408.30-28,718.01

Finding the Fourth Proportional to 107,607.96, 161,408.30 and 28,718.01

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Solution

The fourth proportional to 107,607.96, 161,408.30 and 28,718.01 is: 43,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,607.96 : 161,408.30 = 28,718.01 : x
  2. Step 2: Convert to fraction form
    107,607.96/161,408.30 = 28,718.01/x
  3. Step 3: Cross multiply
    107,607.96x = 161,408.30 × 28,718.01
  4. Step 4: Simplify right side
    107,607.96x = 4,635,325,029.89
  5. Step 5: Solve for x
    x = 4,635,325,029.89/107,607.96
  6. Step 6: Final answer
    x = 43,076.04

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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.