Home / 97,082.22-145,644.10-54,982.20

Finding the Fourth Proportional to 97,082.22, 145,644.10 and 54,982.20

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Solution

The fourth proportional to 97,082.22, 145,644.10 and 54,982.20 is: 82,485.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,082.22 : 145,644.10 = 54,982.20 : x
  2. Step 2: Convert to fraction form
    97,082.22/145,644.10 = 54,982.20/x
  3. Step 3: Cross multiply
    97,082.22x = 145,644.10 × 54,982.20
  4. Step 4: Simplify right side
    97,082.22x = 8,007,833,035.02
  5. Step 5: Solve for x
    x = 8,007,833,035.02/97,082.22
  6. Step 6: Final answer
    x = 82,485.06

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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.