Home / 115,509.44-173,162.92-55,508.02

Finding the Fourth Proportional to 115,509.44, 173,162.92 and 55,508.02

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Solution

The fourth proportional to 115,509.44, 173,162.92 and 55,508.02 is: 83,213.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,509.44 : 173,162.92 = 55,508.02 : x
  2. Step 2: Convert to fraction form
    115,509.44/173,162.92 = 55,508.02/x
  3. Step 3: Cross multiply
    115,509.44x = 173,162.92 × 55,508.02
  4. Step 4: Simplify right side
    115,509.44x = 9,611,930,826.62
  5. Step 5: Solve for x
    x = 9,611,930,826.62/115,509.44
  6. Step 6: Final answer
    x = 83,213.38

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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.