Home / 125,039.11-172,553.98-68,450.48

Finding the Fourth Proportional to 125,039.11, 172,553.98 and 68,450.48

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Solution

The fourth proportional to 125,039.11, 172,553.98 and 68,450.48 is: 94,461.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,039.11 : 172,553.98 = 68,450.48 : x
  2. Step 2: Convert to fraction form
    125,039.11/172,553.98 = 68,450.48/x
  3. Step 3: Cross multiply
    125,039.11x = 172,553.98 × 68,450.48
  4. Step 4: Simplify right side
    125,039.11x = 11,811,403,469.05
  5. Step 5: Solve for x
    x = 11,811,403,469.05/125,039.11
  6. Step 6: Final answer
    x = 94,461.67

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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.