Home / 115,756.02-173,741.22-71,469.54

Finding the Fourth Proportional to 115,756.02, 173,741.22 and 71,469.54

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Solution

The fourth proportional to 115,756.02, 173,741.22 and 71,469.54 is: 107,270.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,756.02 : 173,741.22 = 71,469.54 : x
  2. Step 2: Convert to fraction form
    115,756.02/173,741.22 = 71,469.54/x
  3. Step 3: Cross multiply
    115,756.02x = 173,741.22 × 71,469.54
  4. Step 4: Simplify right side
    115,756.02x = 12,417,205,072.44
  5. Step 5: Solve for x
    x = 12,417,205,072.44/115,756.02
  6. Step 6: Final answer
    x = 107,270.49

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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.