Home / 45,167.67-67,738.71-28,502.73

Finding the Fourth Proportional to 45,167.67, 67,738.71 and 28,502.73

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Solution

The fourth proportional to 45,167.67, 67,738.71 and 28,502.73 is: 42,746.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,167.67 : 67,738.71 = 28,502.73 : x
  2. Step 2: Convert to fraction form
    45,167.67/67,738.71 = 28,502.73/x
  3. Step 3: Cross multiply
    45,167.67x = 67,738.71 × 28,502.73
  4. Step 4: Simplify right side
    45,167.67x = 1,930,738,161.68
  5. Step 5: Solve for x
    x = 1,930,738,161.68/45,167.67
  6. Step 6: Final answer
    x = 42,746.02

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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.