Home / 101,685.75-152,581.82-73,835.87

Finding the Fourth Proportional to 101,685.75, 152,581.82 and 73,835.87

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Solution

The fourth proportional to 101,685.75, 152,581.82 and 73,835.87 is: 110,792.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,685.75 : 152,581.82 = 73,835.87 : x
  2. Step 2: Convert to fraction form
    101,685.75/152,581.82 = 73,835.87/x
  3. Step 3: Cross multiply
    101,685.75x = 152,581.82 × 73,835.87
  4. Step 4: Simplify right side
    101,685.75x = 11,266,010,293.80
  5. Step 5: Solve for x
    x = 11,266,010,293.80/101,685.75
  6. Step 6: Final answer
    x = 110,792.42

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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.