Home / 100,676.57-151,011.36-25,797.33

Finding the Fourth Proportional to 100,676.57, 151,011.36 and 25,797.33

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Solution

The fourth proportional to 100,676.57, 151,011.36 and 25,797.33 is: 38,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,676.57 : 151,011.36 = 25,797.33 : x
  2. Step 2: Convert to fraction form
    100,676.57/151,011.36 = 25,797.33/x
  3. Step 3: Cross multiply
    100,676.57x = 151,011.36 × 25,797.33
  4. Step 4: Simplify right side
    100,676.57x = 3,895,689,887.67
  5. Step 5: Solve for x
    x = 3,895,689,887.67/100,676.57
  6. Step 6: Final answer
    x = 38,695.10

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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.