Home / 51,505.92-77,091.84-27,780.48

Finding the Fourth Proportional to 51,505.92, 77,091.84 and 27,780.48

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Solution

The fourth proportional to 51,505.92, 77,091.84 and 27,780.48 is: 41,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,505.92 : 77,091.84 = 27,780.48 : x
  2. Step 2: Convert to fraction form
    51,505.92/77,091.84 = 27,780.48/x
  3. Step 3: Cross multiply
    51,505.92x = 77,091.84 × 27,780.48
  4. Step 4: Simplify right side
    51,505.92x = 2,141,648,319.28
  5. Step 5: Solve for x
    x = 2,141,648,319.28/51,505.92
  6. Step 6: Final answer
    x = 41,580.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.