Home / 125,317.41-187,994.75-45,374.06

Finding the Fourth Proportional to 125,317.41, 187,994.75 and 45,374.06

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Solution

The fourth proportional to 125,317.41, 187,994.75 and 45,374.06 is: 68,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,317.41 : 187,994.75 = 45,374.06 : x
  2. Step 2: Convert to fraction form
    125,317.41/187,994.75 = 45,374.06/x
  3. Step 3: Cross multiply
    125,317.41x = 187,994.75 × 45,374.06
  4. Step 4: Simplify right side
    125,317.41x = 8,530,083,899.34
  5. Step 5: Solve for x
    x = 8,530,083,899.34/125,317.41
  6. Step 6: Final answer
    x = 68,067.83

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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.