Home / 115,773.13-159,613.77-83,480.73

Finding the Fourth Proportional to 115,773.13, 159,613.77 and 83,480.73

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Solution

The fourth proportional to 115,773.13, 159,613.77 and 83,480.73 is: 115,092.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,773.13 : 159,613.77 = 83,480.73 : x
  2. Step 2: Convert to fraction form
    115,773.13/159,613.77 = 83,480.73/x
  3. Step 3: Cross multiply
    115,773.13x = 159,613.77 × 83,480.73
  4. Step 4: Simplify right side
    115,773.13x = 13,324,674,037.65
  5. Step 5: Solve for x
    x = 13,324,674,037.65/115,773.13
  6. Step 6: Final answer
    x = 115,092.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.