Home / 64,400.49-96,561.45-28,855.26

Finding the Fourth Proportional to 64,400.49, 96,561.45 and 28,855.26

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Solution

The fourth proportional to 64,400.49, 96,561.45 and 28,855.26 is: 43,265.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,400.49 : 96,561.45 = 28,855.26 : x
  2. Step 2: Convert to fraction form
    64,400.49/96,561.45 = 28,855.26/x
  3. Step 3: Cross multiply
    64,400.49x = 96,561.45 × 28,855.26
  4. Step 4: Simplify right side
    64,400.49x = 2,786,305,745.73
  5. Step 5: Solve for x
    x = 2,786,305,745.73/64,400.49
  6. Step 6: Final answer
    x = 43,265.29

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1.5x scale

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.