Home / 125,716.82-188,575.25-36,970.34

Finding the Fourth Proportional to 125,716.82, 188,575.25 and 36,970.34

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Solution

The fourth proportional to 125,716.82, 188,575.25 and 36,970.34 is: 55,455.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,716.82 : 188,575.25 = 36,970.34 : x
  2. Step 2: Convert to fraction form
    125,716.82/188,575.25 = 36,970.34/x
  3. Step 3: Cross multiply
    125,716.82x = 188,575.25 × 36,970.34
  4. Step 4: Simplify right side
    125,716.82x = 6,971,691,108.09
  5. Step 5: Solve for x
    x = 6,971,691,108.09/125,716.82
  6. Step 6: Final answer
    x = 55,455.52

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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.