Home / 52,082.72-78,137.04-15,146.72

Finding the Fourth Proportional to 52,082.72, 78,137.04 and 15,146.72

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Solution

The fourth proportional to 52,082.72, 78,137.04 and 15,146.72 is: 22,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,082.72 : 78,137.04 = 15,146.72 : x
  2. Step 2: Convert to fraction form
    52,082.72/78,137.04 = 15,146.72/x
  3. Step 3: Cross multiply
    52,082.72x = 78,137.04 × 15,146.72
  4. Step 4: Simplify right side
    52,082.72x = 1,183,519,866.51
  5. Step 5: Solve for x
    x = 1,183,519,866.51/52,082.72
  6. Step 6: Final answer
    x = 22,723.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.