Home / 75,522.12-104,174.64-54,330.12

Finding the Fourth Proportional to 75,522.12, 104,174.64 and 54,330.12

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Solution

The fourth proportional to 75,522.12, 104,174.64 and 54,330.12 is: 74,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,522.12 : 104,174.64 = 54,330.12 : x
  2. Step 2: Convert to fraction form
    75,522.12/104,174.64 = 54,330.12/x
  3. Step 3: Cross multiply
    75,522.12x = 104,174.64 × 54,330.12
  4. Step 4: Simplify right side
    75,522.12x = 5,659,820,692.16
  5. Step 5: Solve for x
    x = 5,659,820,692.16/75,522.12
  6. Step 6: Final answer
    x = 74,942.56

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1.5x scale

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.