Home / 74,082.36-102,232.88-40,090.11

Finding the Fourth Proportional to 74,082.36, 102,232.88 and 40,090.11

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Solution

The fourth proportional to 74,082.36, 102,232.88 and 40,090.11 is: 55,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,082.36 : 102,232.88 = 40,090.11 : x
  2. Step 2: Convert to fraction form
    74,082.36/102,232.88 = 40,090.11/x
  3. Step 3: Cross multiply
    74,082.36x = 102,232.88 × 40,090.11
  4. Step 4: Simplify right side
    74,082.36x = 4,098,527,204.37
  5. Step 5: Solve for x
    x = 4,098,527,204.37/74,082.36
  6. Step 6: Final answer
    x = 55,323.93

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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.