Home / 77,936.19-107,481.33-51,068.94

Finding the Fourth Proportional to 77,936.19, 107,481.33 and 51,068.94

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Solution

The fourth proportional to 77,936.19, 107,481.33 and 51,068.94 is: 70,428.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,936.19 : 107,481.33 = 51,068.94 : x
  2. Step 2: Convert to fraction form
    77,936.19/107,481.33 = 51,068.94/x
  3. Step 3: Cross multiply
    77,936.19x = 107,481.33 × 51,068.94
  4. Step 4: Simplify right side
    77,936.19x = 5,488,957,592.89
  5. Step 5: Solve for x
    x = 5,488,957,592.89/77,936.19
  6. Step 6: Final answer
    x = 70,428.87

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1.5x scale

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.