Home / 77,718.44-116,634.36-30,984.68

Finding the Fourth Proportional to 77,718.44, 116,634.36 and 30,984.68

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Solution

The fourth proportional to 77,718.44, 116,634.36 and 30,984.68 is: 46,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,718.44 : 116,634.36 = 30,984.68 : x
  2. Step 2: Convert to fraction form
    77,718.44/116,634.36 = 30,984.68/x
  3. Step 3: Cross multiply
    77,718.44x = 116,634.36 × 30,984.68
  4. Step 4: Simplify right side
    77,718.44x = 3,613,878,321.60
  5. Step 5: Solve for x
    x = 3,613,878,321.60/77,718.44
  6. Step 6: Final answer
    x = 46,499.63

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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.