Home / 78,734.62-118,077.71-22,559.68

Finding the Fourth Proportional to 78,734.62, 118,077.71 and 22,559.68

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Solution

The fourth proportional to 78,734.62, 118,077.71 and 22,559.68 is: 33,832.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,734.62 : 118,077.71 = 22,559.68 : x
  2. Step 2: Convert to fraction form
    78,734.62/118,077.71 = 22,559.68/x
  3. Step 3: Cross multiply
    78,734.62x = 118,077.71 × 22,559.68
  4. Step 4: Simplify right side
    78,734.62x = 2,663,795,352.73
  5. Step 5: Solve for x
    x = 2,663,795,352.73/78,734.62
  6. Step 6: Final answer
    x = 33,832.58

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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.