Home / 74,083.49-102,234.43-40,091.24

Finding the Fourth Proportional to 74,083.49, 102,234.43 and 40,091.24

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Solution

The fourth proportional to 74,083.49, 102,234.43 and 40,091.24 is: 55,325.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,083.49 : 102,234.43 = 40,091.24 : x
  2. Step 2: Convert to fraction form
    74,083.49/102,234.43 = 40,091.24/x
  3. Step 3: Cross multiply
    74,083.49x = 102,234.43 × 40,091.24
  4. Step 4: Simplify right side
    74,083.49x = 4,098,704,457.99
  5. Step 5: Solve for x
    x = 4,098,704,457.99/74,083.49
  6. Step 6: Final answer
    x = 55,325.48

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1.5x scale

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.