Home / 55,992.21-77,269.25-30,841.71

Finding the Fourth Proportional to 55,992.21, 77,269.25 and 30,841.71

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Solution

The fourth proportional to 55,992.21, 77,269.25 and 30,841.71 is: 42,561.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,992.21 : 77,269.25 = 30,841.71 : x
  2. Step 2: Convert to fraction form
    55,992.21/77,269.25 = 30,841.71/x
  3. Step 3: Cross multiply
    55,992.21x = 77,269.25 × 30,841.71
  4. Step 4: Simplify right side
    55,992.21x = 2,383,115,877.52
  5. Step 5: Solve for x
    x = 2,383,115,877.52/55,992.21
  6. Step 6: Final answer
    x = 42,561.56

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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.