Home / 74,083.29-102,234.15-40,091.04

Finding the Fourth Proportional to 74,083.29, 102,234.15 and 40,091.04

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Solution

The fourth proportional to 74,083.29, 102,234.15 and 40,091.04 is: 55,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,083.29 : 102,234.15 = 40,091.04 : x
  2. Step 2: Convert to fraction form
    74,083.29/102,234.15 = 40,091.04/x
  3. Step 3: Cross multiply
    74,083.29x = 102,234.15 × 40,091.04
  4. Step 4: Simplify right side
    74,083.29x = 4,098,673,397.02
  5. Step 5: Solve for x
    x = 4,098,673,397.02/74,083.29
  6. Step 6: Final answer
    x = 55,325.21

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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.