Home / 55,781.76-76,993.44-34,548.96

Finding the Fourth Proportional to 55,781.76, 76,993.44 and 34,548.96

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Solution

The fourth proportional to 55,781.76, 76,993.44 and 34,548.96 is: 47,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,781.76 : 76,993.44 = 34,548.96 : x
  2. Step 2: Convert to fraction form
    55,781.76/76,993.44 = 34,548.96/x
  3. Step 3: Cross multiply
    55,781.76x = 76,993.44 × 34,548.96
  4. Step 4: Simplify right side
    55,781.76x = 2,660,043,278.82
  5. Step 5: Solve for x
    x = 2,660,043,278.82/55,781.76
  6. Step 6: Final answer
    x = 47,686.61

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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.