Home / 55,751.06-76,936.35-30,600.02

Finding the Fourth Proportional to 55,751.06, 76,936.35 and 30,600.02

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Solution

The fourth proportional to 55,751.06, 76,936.35 and 30,600.02 is: 42,227.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,751.06 : 76,936.35 = 30,600.02 : x
  2. Step 2: Convert to fraction form
    55,751.06/76,936.35 = 30,600.02/x
  3. Step 3: Cross multiply
    55,751.06x = 76,936.35 × 30,600.02
  4. Step 4: Simplify right side
    55,751.06x = 2,354,253,848.73
  5. Step 5: Solve for x
    x = 2,354,253,848.73/55,751.06
  6. Step 6: Final answer
    x = 42,227.97

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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.