Home / 55,572.94-76,690.66-30,422.44

Finding the Fourth Proportional to 55,572.94, 76,690.66 and 30,422.44

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Solution

The fourth proportional to 55,572.94, 76,690.66 and 30,422.44 is: 41,982.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,572.94 : 76,690.66 = 30,422.44 : x
  2. Step 2: Convert to fraction form
    55,572.94/76,690.66 = 30,422.44/x
  3. Step 3: Cross multiply
    55,572.94x = 76,690.66 × 30,422.44
  4. Step 4: Simplify right side
    55,572.94x = 2,333,116,734.63
  5. Step 5: Solve for x
    x = 2,333,116,734.63/55,572.94
  6. Step 6: Final answer
    x = 41,982.97

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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.