Home / 45,169.67-67,741.71-28,504.73

Finding the Fourth Proportional to 45,169.67, 67,741.71 and 28,504.73

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Solution

The fourth proportional to 45,169.67, 67,741.71 and 28,504.73 is: 42,749.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,169.67 : 67,741.71 = 28,504.73 : x
  2. Step 2: Convert to fraction form
    45,169.67/67,741.71 = 28,504.73/x
  3. Step 3: Cross multiply
    45,169.67x = 67,741.71 × 28,504.73
  4. Step 4: Simplify right side
    45,169.67x = 1,930,959,153.29
  5. Step 5: Solve for x
    x = 1,930,959,153.29/45,169.67
  6. Step 6: Final answer
    x = 42,749.02

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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.