Home / 51,380.64-77,069.79-23,678.64

Finding the Fourth Proportional to 51,380.64, 77,069.79 and 23,678.64

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Solution

The fourth proportional to 51,380.64, 77,069.79 and 23,678.64 is: 35,517.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,380.64 : 77,069.79 = 23,678.64 : x
  2. Step 2: Convert to fraction form
    51,380.64/77,069.79 = 23,678.64/x
  3. Step 3: Cross multiply
    51,380.64x = 77,069.79 × 23,678.64
  4. Step 4: Simplify right side
    51,380.64x = 1,824,907,812.29
  5. Step 5: Solve for x
    x = 1,824,907,812.29/51,380.64
  6. Step 6: Final answer
    x = 35,517.42

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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.