Home / 51,436.14-77,028.39-46,449.78

Finding the Fourth Proportional to 51,436.14, 77,028.39 and 46,449.78

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Solution

The fourth proportional to 51,436.14, 77,028.39 and 46,449.78 is: 69,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,436.14 : 77,028.39 = 46,449.78 : x
  2. Step 2: Convert to fraction form
    51,436.14/77,028.39 = 46,449.78/x
  3. Step 3: Cross multiply
    51,436.14x = 77,028.39 × 46,449.78
  4. Step 4: Simplify right side
    51,436.14x = 3,577,951,769.25
  5. Step 5: Solve for x
    x = 3,577,951,769.25/51,436.14
  6. Step 6: Final answer
    x = 69,561.05

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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.