Home / 49,696.12-68,580.16-28,189.81

Finding the Fourth Proportional to 49,696.12, 68,580.16 and 28,189.81

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Solution

The fourth proportional to 49,696.12, 68,580.16 and 28,189.81 is: 38,901.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,696.12 : 68,580.16 = 28,189.81 : x
  2. Step 2: Convert to fraction form
    49,696.12/68,580.16 = 28,189.81/x
  3. Step 3: Cross multiply
    49,696.12x = 68,580.16 × 28,189.81
  4. Step 4: Simplify right side
    49,696.12x = 1,933,261,680.17
  5. Step 5: Solve for x
    x = 1,933,261,680.17/49,696.12
  6. Step 6: Final answer
    x = 38,901.66

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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.