Home / 78,968.42-118,435.23-22,796.33

Finding the Fourth Proportional to 78,968.42, 118,435.23 and 22,796.33

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Solution

The fourth proportional to 78,968.42, 118,435.23 and 22,796.33 is: 34,189.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,968.42 : 118,435.23 = 22,796.33 : x
  2. Step 2: Convert to fraction form
    78,968.42/118,435.23 = 22,796.33/x
  3. Step 3: Cross multiply
    78,968.42x = 118,435.23 × 22,796.33
  4. Step 4: Simplify right side
    78,968.42x = 2,699,888,586.71
  5. Step 5: Solve for x
    x = 2,699,888,586.71/78,968.42
  6. Step 6: Final answer
    x = 34,189.47

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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.