Home / 75,145.72-112,760.06-41,884.51

Finding the Fourth Proportional to 75,145.72, 112,760.06 and 41,884.51

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Solution

The fourth proportional to 75,145.72, 112,760.06 and 41,884.51 is: 62,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,145.72 : 112,760.06 = 41,884.51 : x
  2. Step 2: Convert to fraction form
    75,145.72/112,760.06 = 41,884.51/x
  3. Step 3: Cross multiply
    75,145.72x = 112,760.06 × 41,884.51
  4. Step 4: Simplify right side
    75,145.72x = 4,722,899,860.67
  5. Step 5: Solve for x
    x = 4,722,899,860.67/75,145.72
  6. Step 6: Final answer
    x = 62,849.89

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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.