Home / 74,638.28-102,996.16-41,104.28

Finding the Fourth Proportional to 74,638.28, 102,996.16 and 41,104.28

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Solution

The fourth proportional to 74,638.28, 102,996.16 and 41,104.28 is: 56,721.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,638.28 : 102,996.16 = 41,104.28 : x
  2. Step 2: Convert to fraction form
    74,638.28/102,996.16 = 41,104.28/x
  3. Step 3: Cross multiply
    74,638.28x = 102,996.16 × 41,104.28
  4. Step 4: Simplify right side
    74,638.28x = 4,233,582,279.06
  5. Step 5: Solve for x
    x = 4,233,582,279.06/74,638.28
  6. Step 6: Final answer
    x = 56,721.33

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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.