Home / 100,579.92-150,865.56-25,701.90

Finding the Fourth Proportional to 100,579.92, 150,865.56 and 25,701.90

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Solution

The fourth proportional to 100,579.92, 150,865.56 and 25,701.90 is: 38,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,579.92 : 150,865.56 = 25,701.90 : x
  2. Step 2: Convert to fraction form
    100,579.92/150,865.56 = 25,701.90/x
  3. Step 3: Cross multiply
    100,579.92x = 150,865.56 × 25,701.90
  4. Step 4: Simplify right side
    100,579.92x = 3,877,531,536.56
  5. Step 5: Solve for x
    x = 3,877,531,536.56/100,579.92
  6. Step 6: Final answer
    x = 38,551.75

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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.