Home / 61,830.96-92,735.69-28,548.20

Finding the Fourth Proportional to 61,830.96, 92,735.69 and 28,548.20

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Solution

The fourth proportional to 61,830.96, 92,735.69 and 28,548.20 is: 42,817.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,830.96 : 92,735.69 = 28,548.20 : x
  2. Step 2: Convert to fraction form
    61,830.96/92,735.69 = 28,548.20/x
  3. Step 3: Cross multiply
    61,830.96x = 92,735.69 × 28,548.20
  4. Step 4: Simplify right side
    61,830.96x = 2,647,436,418.84
  5. Step 5: Solve for x
    x = 2,647,436,418.84/61,830.96
  6. Step 6: Final answer
    x = 42,817.33

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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.