Home / 112,990.96-169,513.80-34,100.36

Finding the Fourth Proportional to 112,990.96, 169,513.80 and 34,100.36

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Solution

The fourth proportional to 112,990.96, 169,513.80 and 34,100.36 is: 51,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,990.96 : 169,513.80 = 34,100.36 : x
  2. Step 2: Convert to fraction form
    112,990.96/169,513.80 = 34,100.36/x
  3. Step 3: Cross multiply
    112,990.96x = 169,513.80 × 34,100.36
  4. Step 4: Simplify right side
    112,990.96x = 5,780,481,604.97
  5. Step 5: Solve for x
    x = 5,780,481,604.97/112,990.96
  6. Step 6: Final answer
    x = 51,158.80

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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.