Home / 78,732.54-118,063.26-22,559.78

Finding the Fourth Proportional to 78,732.54, 118,063.26 and 22,559.78

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Solution

The fourth proportional to 78,732.54, 118,063.26 and 22,559.78 is: 33,829.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732.54 : 118,063.26 = 22,559.78 : x
  2. Step 2: Convert to fraction form
    78,732.54/118,063.26 = 22,559.78/x
  3. Step 3: Cross multiply
    78,732.54x = 118,063.26 × 22,559.78
  4. Step 4: Simplify right side
    78,732.54x = 2,663,481,466.84
  5. Step 5: Solve for x
    x = 2,663,481,466.84/78,732.54
  6. Step 6: Final answer
    x = 33,829.49

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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.