Home / 42,406.80-63,610.20-27,644.55

Finding the Fourth Proportional to 42,406.80, 63,610.20 and 27,644.55

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Solution

The fourth proportional to 42,406.80, 63,610.20 and 27,644.55 is: 41,466.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,406.80 : 63,610.20 = 27,644.55 : x
  2. Step 2: Convert to fraction form
    42,406.80/63,610.20 = 27,644.55/x
  3. Step 3: Cross multiply
    42,406.80x = 63,610.20 × 27,644.55
  4. Step 4: Simplify right side
    42,406.80x = 1,758,475,354.41
  5. Step 5: Solve for x
    x = 1,758,475,354.41/42,406.80
  6. Step 6: Final answer
    x = 41,466.83

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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.