Home / 47,780.88-65,939.87-26,560.50

Finding the Fourth Proportional to 47,780.88, 65,939.87 and 26,560.50

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Solution

The fourth proportional to 47,780.88, 65,939.87 and 26,560.50 is: 36,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780.88 : 65,939.87 = 26,560.50 : x
  2. Step 2: Convert to fraction form
    47,780.88/65,939.87 = 26,560.50/x
  3. Step 3: Cross multiply
    47,780.88x = 65,939.87 × 26,560.50
  4. Step 4: Simplify right side
    47,780.88x = 1,751,395,784.33
  5. Step 5: Solve for x
    x = 1,751,395,784.33/47,780.88
  6. Step 6: Final answer
    x = 36,654.74

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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.