Home / 74,082.24-102,233.28-40,548

Finding the Fourth Proportional to 74,082.24, 102,233.28 and 40,548

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Solution

The fourth proportional to 74,082.24, 102,233.28 and 40,548 is: 55,956.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,082.24 : 102,233.28 = 40,548 : x
  2. Step 2: Convert to fraction form
    74,082.24/102,233.28 = 40,548/x
  3. Step 3: Cross multiply
    74,082.24x = 102,233.28 × 40,548
  4. Step 4: Simplify right side
    74,082.24x = 4,145,355,037.44
  5. Step 5: Solve for x
    x = 4,145,355,037.44/74,082.24
  6. Step 6: Final answer
    x = 55,956.12

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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.