Home / 74,076.17-102,224.33-40,083.91

Finding the Fourth Proportional to 74,076.17, 102,224.33 and 40,083.91

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Solution

The fourth proportional to 74,076.17, 102,224.33 and 40,083.91 is: 55,315.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,076.17 : 102,224.33 = 40,083.91 : x
  2. Step 2: Convert to fraction form
    74,076.17/102,224.33 = 40,083.91/x
  3. Step 3: Cross multiply
    74,076.17x = 102,224.33 × 40,083.91
  4. Step 4: Simplify right side
    74,076.17x = 4,097,550,537.86
  5. Step 5: Solve for x
    x = 4,097,550,537.86/74,076.17
  6. Step 6: Final answer
    x = 55,315.37

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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.