Home / 117,832.21-162,607.68-64,117.43

Finding the Fourth Proportional to 117,832.21, 162,607.68 and 64,117.43

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Solution

The fourth proportional to 117,832.21, 162,607.68 and 64,117.43 is: 88,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,832.21 : 162,607.68 = 64,117.43 : x
  2. Step 2: Convert to fraction form
    117,832.21/162,607.68 = 64,117.43/x
  3. Step 3: Cross multiply
    117,832.21x = 162,607.68 × 64,117.43
  4. Step 4: Simplify right side
    117,832.21x = 10,425,986,539.86
  5. Step 5: Solve for x
    x = 10,425,986,539.86/117,832.21
  6. Step 6: Final answer
    x = 88,481.63

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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.