Home / 61,819.55-92,728.31-19,699.06

Finding the Fourth Proportional to 61,819.55, 92,728.31 and 19,699.06

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Solution

The fourth proportional to 61,819.55, 92,728.31 and 19,699.06 is: 29,548.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,819.55 : 92,728.31 = 19,699.06 : x
  2. Step 2: Convert to fraction form
    61,819.55/92,728.31 = 19,699.06/x
  3. Step 3: Cross multiply
    61,819.55x = 92,728.31 × 19,699.06
  4. Step 4: Simplify right side
    61,819.55x = 1,826,660,542.39
  5. Step 5: Solve for x
    x = 1,826,660,542.39/61,819.55
  6. Step 6: Final answer
    x = 29,548.27

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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.