Home / 115,743.80-173,628-36,839.58

Finding the Fourth Proportional to 115,743.80, 173,628 and 36,839.58

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Solution

The fourth proportional to 115,743.80, 173,628 and 36,839.58 is: 55,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,743.80 : 173,628 = 36,839.58 : x
  2. Step 2: Convert to fraction form
    115,743.80/173,628 = 36,839.58/x
  3. Step 3: Cross multiply
    115,743.80x = 173,628 × 36,839.58
  4. Step 4: Simplify right side
    115,743.80x = 6,396,382,596.24
  5. Step 5: Solve for x
    x = 6,396,382,596.24/115,743.80
  6. Step 6: Final answer
    x = 55,263.28

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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.