Home / 125,485.44-173,168.64-68,895.36

Finding the Fourth Proportional to 125,485.44, 173,168.64 and 68,895.36

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Solution

The fourth proportional to 125,485.44, 173,168.64 and 68,895.36 is: 95,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,485.44 : 173,168.64 = 68,895.36 : x
  2. Step 2: Convert to fraction form
    125,485.44/173,168.64 = 68,895.36/x
  3. Step 3: Cross multiply
    125,485.44x = 173,168.64 × 68,895.36
  4. Step 4: Simplify right side
    125,485.44x = 11,930,515,793.51
  5. Step 5: Solve for x
    x = 11,930,515,793.51/125,485.44
  6. Step 6: Final answer
    x = 95,074.90

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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.