Home / 53,272.51-79,832.61-39,121.54

Finding the Fourth Proportional to 53,272.51, 79,832.61 and 39,121.54

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Solution

The fourth proportional to 53,272.51, 79,832.61 and 39,121.54 is: 58,626.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,272.51 : 79,832.61 = 39,121.54 : x
  2. Step 2: Convert to fraction form
    53,272.51/79,832.61 = 39,121.54/x
  3. Step 3: Cross multiply
    53,272.51x = 79,832.61 × 39,121.54
  4. Step 4: Simplify right side
    53,272.51x = 3,123,174,645.42
  5. Step 5: Solve for x
    x = 3,123,174,645.42/53,272.51
  6. Step 6: Final answer
    x = 58,626.38

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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.