Home / 123,860.21-185,789.98-35,114.49

Finding the Fourth Proportional to 123,860.21, 185,789.98 and 35,114.49

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Solution

The fourth proportional to 123,860.21, 185,789.98 and 35,114.49 is: 52,671.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,860.21 : 185,789.98 = 35,114.49 : x
  2. Step 2: Convert to fraction form
    123,860.21/185,789.98 = 35,114.49/x
  3. Step 3: Cross multiply
    123,860.21x = 185,789.98 × 35,114.49
  4. Step 4: Simplify right side
    123,860.21x = 6,523,919,817.41
  5. Step 5: Solve for x
    x = 6,523,919,817.41/123,860.21
  6. Step 6: Final answer
    x = 52,671.63

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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.