Home / 48,082.68-72,090-18,475.56

Finding the Fourth Proportional to 48,082.68, 72,090 and 18,475.56

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Solution

The fourth proportional to 48,082.68, 72,090 and 18,475.56 is: 27,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,082.68 : 72,090 = 18,475.56 : x
  2. Step 2: Convert to fraction form
    48,082.68/72,090 = 18,475.56/x
  3. Step 3: Cross multiply
    48,082.68x = 72,090 × 18,475.56
  4. Step 4: Simplify right side
    48,082.68x = 1,331,903,120.40
  5. Step 5: Solve for x
    x = 1,331,903,120.40/48,082.68
  6. Step 6: Final answer
    x = 27,700.27

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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.