Home / 112,976.88-169,355.10-53,796.66

Finding the Fourth Proportional to 112,976.88, 169,355.10 and 53,796.66

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Solution

The fourth proportional to 112,976.88, 169,355.10 and 53,796.66 is: 80,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,976.88 : 169,355.10 = 53,796.66 : x
  2. Step 2: Convert to fraction form
    112,976.88/169,355.10 = 53,796.66/x
  3. Step 3: Cross multiply
    112,976.88x = 169,355.10 × 53,796.66
  4. Step 4: Simplify right side
    112,976.88x = 9,110,738,733.97
  5. Step 5: Solve for x
    x = 9,110,738,733.97/112,976.88
  6. Step 6: Final answer
    x = 80,642.51

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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.