Home / 75,140.13-103,696.61-41,606.13

Finding the Fourth Proportional to 75,140.13, 103,696.61 and 41,606.13

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Solution

The fourth proportional to 75,140.13, 103,696.61 and 41,606.13 is: 57,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,140.13 : 103,696.61 = 41,606.13 : x
  2. Step 2: Convert to fraction form
    75,140.13/103,696.61 = 41,606.13/x
  3. Step 3: Cross multiply
    75,140.13x = 103,696.61 × 41,606.13
  4. Step 4: Simplify right side
    75,140.13x = 4,314,414,636.22
  5. Step 5: Solve for x
    x = 4,314,414,636.22/75,140.13
  6. Step 6: Final answer
    x = 57,418.25

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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.