Home / 55,579.22-76,692.11-31,704.47

Finding the Fourth Proportional to 55,579.22, 76,692.11 and 31,704.47

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Solution

The fourth proportional to 55,579.22, 76,692.11 and 31,704.47 is: 43,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,579.22 : 76,692.11 = 31,704.47 : x
  2. Step 2: Convert to fraction form
    55,579.22/76,692.11 = 31,704.47/x
  3. Step 3: Cross multiply
    55,579.22x = 76,692.11 × 31,704.47
  4. Step 4: Simplify right side
    55,579.22x = 2,431,482,700.73
  5. Step 5: Solve for x
    x = 2,431,482,700.73/55,579.22
  6. Step 6: Final answer
    x = 43,748.05

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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.