Home / 78,968.67-118,475.01-43,932.93

Finding the Fourth Proportional to 78,968.67, 118,475.01 and 43,932.93

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Solution

The fourth proportional to 78,968.67, 118,475.01 and 43,932.93 is: 65,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,968.67 : 118,475.01 = 43,932.93 : x
  2. Step 2: Convert to fraction form
    78,968.67/118,475.01 = 43,932.93/x
  3. Step 3: Cross multiply
    78,968.67x = 118,475.01 × 43,932.93
  4. Step 4: Simplify right side
    78,968.67x = 5,204,954,321.08
  5. Step 5: Solve for x
    x = 5,204,954,321.08/78,968.67
  6. Step 6: Final answer
    x = 65,911.64

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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.