Home / 108,467.29-162,638.64-57,803.94

Finding the Fourth Proportional to 108,467.29, 162,638.64 and 57,803.94

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Solution

The fourth proportional to 108,467.29, 162,638.64 and 57,803.94 is: 86,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,467.29 : 162,638.64 = 57,803.94 : x
  2. Step 2: Convert to fraction form
    108,467.29/162,638.64 = 57,803.94/x
  3. Step 3: Cross multiply
    108,467.29x = 162,638.64 × 57,803.94
  4. Step 4: Simplify right side
    108,467.29x = 9,401,153,086.03
  5. Step 5: Solve for x
    x = 9,401,153,086.03/108,467.29
  6. Step 6: Final answer
    x = 86,672.71

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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.