Home / 124,581.12-171,921.38-67,992.44

Finding the Fourth Proportional to 124,581.12, 171,921.38 and 67,992.44

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Solution

The fourth proportional to 124,581.12, 171,921.38 and 67,992.44 is: 93,829.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,581.12 : 171,921.38 = 67,992.44 : x
  2. Step 2: Convert to fraction form
    124,581.12/171,921.38 = 67,992.44/x
  3. Step 3: Cross multiply
    124,581.12x = 171,921.38 × 67,992.44
  4. Step 4: Simplify right side
    124,581.12x = 11,689,354,114.37
  5. Step 5: Solve for x
    x = 11,689,354,114.37/124,581.12
  6. Step 6: Final answer
    x = 93,829.26

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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.