Home / 45,327.89-67,985.96-12,050.66

Finding the Fourth Proportional to 45,327.89, 67,985.96 and 12,050.66

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Solution

The fourth proportional to 45,327.89, 67,985.96 and 12,050.66 is: 18,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,327.89 : 67,985.96 = 12,050.66 : x
  2. Step 2: Convert to fraction form
    45,327.89/67,985.96 = 12,050.66/x
  3. Step 3: Cross multiply
    45,327.89x = 67,985.96 × 12,050.66
  4. Step 4: Simplify right side
    45,327.89x = 819,275,288.55
  5. Step 5: Solve for x
    x = 819,275,288.55/45,327.89
  6. Step 6: Final answer
    x = 18,074.42

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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.