Home / 74,493.12-111,589.68-34,455.68

Finding the Fourth Proportional to 74,493.12, 111,589.68 and 34,455.68

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Solution

The fourth proportional to 74,493.12, 111,589.68 and 34,455.68 is: 51,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,493.12 : 111,589.68 = 34,455.68 : x
  2. Step 2: Convert to fraction form
    74,493.12/111,589.68 = 34,455.68/x
  3. Step 3: Cross multiply
    74,493.12x = 111,589.68 × 34,455.68
  4. Step 4: Simplify right side
    74,493.12x = 3,844,898,305.38
  5. Step 5: Solve for x
    x = 3,844,898,305.38/74,493.12
  6. Step 6: Final answer
    x = 51,614.14

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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.