Home / 74,905.92-103,366.56-41,371.20

Finding the Fourth Proportional to 74,905.92, 103,366.56 and 41,371.20

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Solution

The fourth proportional to 74,905.92, 103,366.56 and 41,371.20 is: 57,090.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,905.92 : 103,366.56 = 41,371.20 : x
  2. Step 2: Convert to fraction form
    74,905.92/103,366.56 = 41,371.20/x
  3. Step 3: Cross multiply
    74,905.92x = 103,366.56 × 41,371.20
  4. Step 4: Simplify right side
    74,905.92x = 4,276,398,627.07
  5. Step 5: Solve for x
    x = 4,276,398,627.07/74,905.92
  6. Step 6: Final answer
    x = 57,090.26

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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.