Home / 74,082.84-102,234.32-40,091.33

Finding the Fourth Proportional to 74,082.84, 102,234.32 and 40,091.33

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Solution

The fourth proportional to 74,082.84, 102,234.32 and 40,091.33 is: 55,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,082.84 : 102,234.32 = 40,091.33 : x
  2. Step 2: Convert to fraction form
    74,082.84/102,234.32 = 40,091.33/x
  3. Step 3: Cross multiply
    74,082.84x = 102,234.32 × 40,091.33
  4. Step 4: Simplify right side
    74,082.84x = 4,098,709,665.63
  5. Step 5: Solve for x
    x = 4,098,709,665.63/74,082.84
  6. Step 6: Final answer
    x = 55,326.03

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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.