Home / 109,418.30-164,132.85-56,930.30

Finding the Fourth Proportional to 109,418.30, 164,132.85 and 56,930.30

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Solution

The fourth proportional to 109,418.30, 164,132.85 and 56,930.30 is: 85,398.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,418.30 : 164,132.85 = 56,930.30 : x
  2. Step 2: Convert to fraction form
    109,418.30/164,132.85 = 56,930.30/x
  3. Step 3: Cross multiply
    109,418.30x = 164,132.85 × 56,930.30
  4. Step 4: Simplify right side
    109,418.30x = 9,344,132,390.36
  5. Step 5: Solve for x
    x = 9,344,132,390.36/109,418.30
  6. Step 6: Final answer
    x = 85,398.26

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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.