Home / 52,821.09-79,053.03-51,399.54

Finding the Fourth Proportional to 52,821.09, 79,053.03 and 51,399.54

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Solution

The fourth proportional to 52,821.09, 79,053.03 and 51,399.54 is: 76,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,821.09 : 79,053.03 = 51,399.54 : x
  2. Step 2: Convert to fraction form
    52,821.09/79,053.03 = 51,399.54/x
  3. Step 3: Cross multiply
    52,821.09x = 79,053.03 × 51,399.54
  4. Step 4: Simplify right side
    52,821.09x = 4,063,289,377.61
  5. Step 5: Solve for x
    x = 4,063,289,377.61/52,821.09
  6. Step 6: Final answer
    x = 76,925.51

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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.