Home / 101,869.58-152,805.42-30,792.80

Finding the Fourth Proportional to 101,869.58, 152,805.42 and 30,792.80

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Solution

The fourth proportional to 101,869.58, 152,805.42 and 30,792.80 is: 46,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,869.58 : 152,805.42 = 30,792.80 : x
  2. Step 2: Convert to fraction form
    101,869.58/152,805.42 = 30,792.80/x
  3. Step 3: Cross multiply
    101,869.58x = 152,805.42 × 30,792.80
  4. Step 4: Simplify right side
    101,869.58x = 4,705,306,736.98
  5. Step 5: Solve for x
    x = 4,705,306,736.98/101,869.58
  6. Step 6: Final answer
    x = 46,189.52

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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.