Home / 78,835.44-118,242-22,680.30

Finding the Fourth Proportional to 78,835.44, 118,242 and 22,680.30

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Solution

The fourth proportional to 78,835.44, 118,242 and 22,680.30 is: 34,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,835.44 : 118,242 = 22,680.30 : x
  2. Step 2: Convert to fraction form
    78,835.44/118,242 = 22,680.30/x
  3. Step 3: Cross multiply
    78,835.44x = 118,242 × 22,680.30
  4. Step 4: Simplify right side
    78,835.44x = 2,681,764,032.60
  5. Step 5: Solve for x
    x = 2,681,764,032.60/78,835.44
  6. Step 6: Final answer
    x = 34,017.24

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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.