Home / 72,860.46-109,311.57-26,116.62

Finding the Fourth Proportional to 72,860.46, 109,311.57 and 26,116.62

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Solution

The fourth proportional to 72,860.46, 109,311.57 and 26,116.62 is: 39,182.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,860.46 : 109,311.57 = 26,116.62 : x
  2. Step 2: Convert to fraction form
    72,860.46/109,311.57 = 26,116.62/x
  3. Step 3: Cross multiply
    72,860.46x = 109,311.57 × 26,116.62
  4. Step 4: Simplify right side
    72,860.46x = 2,854,848,735.29
  5. Step 5: Solve for x
    x = 2,854,848,735.29/72,860.46
  6. Step 6: Final answer
    x = 39,182.41

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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.