Home / 45,549.12-68,327.76-12,268.44

Finding the Fourth Proportional to 45,549.12, 68,327.76 and 12,268.44

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Solution

The fourth proportional to 45,549.12, 68,327.76 and 12,268.44 is: 18,403.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,549.12 : 68,327.76 = 12,268.44 : x
  2. Step 2: Convert to fraction form
    45,549.12/68,327.76 = 12,268.44/x
  3. Step 3: Cross multiply
    45,549.12x = 68,327.76 × 12,268.44
  4. Step 4: Simplify right side
    45,549.12x = 838,275,023.89
  5. Step 5: Solve for x
    x = 838,275,023.89/45,549.12
  6. Step 6: Final answer
    x = 18,403.76

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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.