Home / 115,910.20-173,865.30-53,580.70

Finding the Fourth Proportional to 115,910.20, 173,865.30 and 53,580.70

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Solution

The fourth proportional to 115,910.20, 173,865.30 and 53,580.70 is: 80,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,910.20 : 173,865.30 = 53,580.70 : x
  2. Step 2: Convert to fraction form
    115,910.20/173,865.30 = 53,580.70/x
  3. Step 3: Cross multiply
    115,910.20x = 173,865.30 × 53,580.70
  4. Step 4: Simplify right side
    115,910.20x = 9,315,824,479.71
  5. Step 5: Solve for x
    x = 9,315,824,479.71/115,910.20
  6. Step 6: Final answer
    x = 80,371.05

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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.