Home / 67,581.18-93,273.57-39,303.54

Finding the Fourth Proportional to 67,581.18, 93,273.57 and 39,303.54

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Solution

The fourth proportional to 67,581.18, 93,273.57 and 39,303.54 is: 54,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,581.18 : 93,273.57 = 39,303.54 : x
  2. Step 2: Convert to fraction form
    67,581.18/93,273.57 = 39,303.54/x
  3. Step 3: Cross multiply
    67,581.18x = 93,273.57 × 39,303.54
  4. Step 4: Simplify right side
    67,581.18x = 3,665,981,489.44
  5. Step 5: Solve for x
    x = 3,665,981,489.44/67,581.18
  6. Step 6: Final answer
    x = 54,245.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.