Home / 74,696.65-103,081.38-40,705.14

Finding the Fourth Proportional to 74,696.65, 103,081.38 and 40,705.14

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Solution

The fourth proportional to 74,696.65, 103,081.38 and 40,705.14 is: 56,173.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,696.65 : 103,081.38 = 40,705.14 : x
  2. Step 2: Convert to fraction form
    74,696.65/103,081.38 = 40,705.14/x
  3. Step 3: Cross multiply
    74,696.65x = 103,081.38 × 40,705.14
  4. Step 4: Simplify right side
    74,696.65x = 4,195,942,004.29
  5. Step 5: Solve for x
    x = 4,195,942,004.29/74,696.65
  6. Step 6: Final answer
    x = 56,173.09

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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.