Home / 81,536.44-112,532.59-49,723.79

Finding the Fourth Proportional to 81,536.44, 112,532.59 and 49,723.79

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Solution

The fourth proportional to 81,536.44, 112,532.59 and 49,723.79 is: 68,626.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,536.44 : 112,532.59 = 49,723.79 : x
  2. Step 2: Convert to fraction form
    81,536.44/112,532.59 = 49,723.79/x
  3. Step 3: Cross multiply
    81,536.44x = 112,532.59 × 49,723.79
  4. Step 4: Simplify right side
    81,536.44x = 5,595,546,608.34
  5. Step 5: Solve for x
    x = 5,595,546,608.34/81,536.44
  6. Step 6: Final answer
    x = 68,626.33

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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.