Home / 105,956.22-158,933.90-27,070.32

Finding the Fourth Proportional to 105,956.22, 158,933.90 and 27,070.32

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Solution

The fourth proportional to 105,956.22, 158,933.90 and 27,070.32 is: 40,605.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,956.22 : 158,933.90 = 27,070.32 : x
  2. Step 2: Convert to fraction form
    105,956.22/158,933.90 = 27,070.32/x
  3. Step 3: Cross multiply
    105,956.22x = 158,933.90 × 27,070.32
  4. Step 4: Simplify right side
    105,956.22x = 4,302,391,531.85
  5. Step 5: Solve for x
    x = 4,302,391,531.85/105,956.22
  6. Step 6: Final answer
    x = 40,605.37

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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.