Home / 55,579.34-76,692.34-31,704.60

Finding the Fourth Proportional to 55,579.34, 76,692.34 and 31,704.60

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Solution

The fourth proportional to 55,579.34, 76,692.34 and 31,704.60 is: 43,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,579.34 : 76,692.34 = 31,704.60 : x
  2. Step 2: Convert to fraction form
    55,579.34/76,692.34 = 31,704.60/x
  3. Step 3: Cross multiply
    55,579.34x = 76,692.34 × 31,704.60
  4. Step 4: Simplify right side
    55,579.34x = 2,431,499,962.76
  5. Step 5: Solve for x
    x = 2,431,499,962.76/55,579.34
  6. Step 6: Final answer
    x = 43,748.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.