Home / 115,511.76-173,289.24-36,604.80

Finding the Fourth Proportional to 115,511.76, 173,289.24 and 36,604.80

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Solution

The fourth proportional to 115,511.76, 173,289.24 and 36,604.80 is: 54,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,511.76 : 173,289.24 = 36,604.80 : x
  2. Step 2: Convert to fraction form
    115,511.76/173,289.24 = 36,604.80/x
  3. Step 3: Cross multiply
    115,511.76x = 173,289.24 × 36,604.80
  4. Step 4: Simplify right side
    115,511.76x = 6,343,217,972.35
  5. Step 5: Solve for x
    x = 6,343,217,972.35/115,511.76
  6. Step 6: Final answer
    x = 54,914.04

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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.