Home / 45,241.96-67,855.38-14,074.78

Finding the Fourth Proportional to 45,241.96, 67,855.38 and 14,074.78

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Solution

The fourth proportional to 45,241.96, 67,855.38 and 14,074.78 is: 21,109.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,241.96 : 67,855.38 = 14,074.78 : x
  2. Step 2: Convert to fraction form
    45,241.96/67,855.38 = 14,074.78/x
  3. Step 3: Cross multiply
    45,241.96x = 67,855.38 × 14,074.78
  4. Step 4: Simplify right side
    45,241.96x = 955,049,545.32
  5. Step 5: Solve for x
    x = 955,049,545.32/45,241.96
  6. Step 6: Final answer
    x = 21,109.82

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1.5x scale

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.