Home / 56,046.44-77,342.54-30,553.30

Finding the Fourth Proportional to 56,046.44, 77,342.54 and 30,553.30

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Solution

The fourth proportional to 56,046.44, 77,342.54 and 30,553.30 is: 42,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,046.44 : 77,342.54 = 30,553.30 : x
  2. Step 2: Convert to fraction form
    56,046.44/77,342.54 = 30,553.30/x
  3. Step 3: Cross multiply
    56,046.44x = 77,342.54 × 30,553.30
  4. Step 4: Simplify right side
    56,046.44x = 2,363,069,674.62
  5. Step 5: Solve for x
    x = 2,363,069,674.62/56,046.44
  6. Step 6: Final answer
    x = 42,162.71

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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.