Home / 67,863.71-93,660.01-39,190.37

Finding the Fourth Proportional to 67,863.71, 93,660.01 and 39,190.37

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Solution

The fourth proportional to 67,863.71, 93,660.01 and 39,190.37 is: 54,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,863.71 : 93,660.01 = 39,190.37 : x
  2. Step 2: Convert to fraction form
    67,863.71/93,660.01 = 39,190.37/x
  3. Step 3: Cross multiply
    67,863.71x = 93,660.01 × 39,190.37
  4. Step 4: Simplify right side
    67,863.71x = 3,670,569,879.83
  5. Step 5: Solve for x
    x = 3,670,569,879.83/67,863.71
  6. Step 6: Final answer
    x = 54,087.37

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1.5x scale

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.