Home / 87,173.33-120,295.23-53,176.41

Finding the Fourth Proportional to 87,173.33, 120,295.23 and 53,176.41

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Solution

The fourth proportional to 87,173.33, 120,295.23 and 53,176.41 is: 73,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,173.33 : 120,295.23 = 53,176.41 : x
  2. Step 2: Convert to fraction form
    87,173.33/120,295.23 = 53,176.41/x
  3. Step 3: Cross multiply
    87,173.33x = 120,295.23 × 53,176.41
  4. Step 4: Simplify right side
    87,173.33x = 6,396,868,471.52
  5. Step 5: Solve for x
    x = 6,396,868,471.52/87,173.33
  6. Step 6: Final answer
    x = 73,381.03

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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.