Home / 105,610.85-158,416.61-26,725.06

Finding the Fourth Proportional to 105,610.85, 158,416.61 and 26,725.06

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Solution

The fourth proportional to 105,610.85, 158,416.61 and 26,725.06 is: 40,087.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,610.85 : 158,416.61 = 26,725.06 : x
  2. Step 2: Convert to fraction form
    105,610.85/158,416.61 = 26,725.06/x
  3. Step 3: Cross multiply
    105,610.85x = 158,416.61 × 26,725.06
  4. Step 4: Simplify right side
    105,610.85x = 4,233,692,730.88
  5. Step 5: Solve for x
    x = 4,233,692,730.88/105,610.85
  6. Step 6: Final answer
    x = 40,087.67

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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.