Home / 81,644.85-112,682.19-49,832.24

Finding the Fourth Proportional to 81,644.85, 112,682.19 and 49,832.24

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Solution

The fourth proportional to 81,644.85, 112,682.19 and 49,832.24 is: 68,775.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,644.85 : 112,682.19 = 49,832.24 : x
  2. Step 2: Convert to fraction form
    81,644.85/112,682.19 = 49,832.24/x
  3. Step 3: Cross multiply
    81,644.85x = 112,682.19 × 49,832.24
  4. Step 4: Simplify right side
    81,644.85x = 5,615,205,372.39
  5. Step 5: Solve for x
    x = 5,615,205,372.39/81,644.85
  6. Step 6: Final answer
    x = 68,775.99

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1.5x scale

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.