Home / 80,848.00-120,703.50-61,772.78

Finding the Fourth Proportional to 80,848.00, 120,703.50 and 61,772.78

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Solution

The fourth proportional to 80,848.00, 120,703.50 and 61,772.78 is: 92,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,848.00 : 120,703.50 = 61,772.78 : x
  2. Step 2: Convert to fraction form
    80,848.00/120,703.50 = 61,772.78/x
  3. Step 3: Cross multiply
    80,848.00x = 120,703.50 × 61,772.78
  4. Step 4: Simplify right side
    80,848.00x = 7,456,190,634.14
  5. Step 5: Solve for x
    x = 7,456,190,634.14/80,848.00
  6. Step 6: Final answer
    x = 92,224.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.