Home / 77,815.28-116,698.44-25,212.56

Finding the Fourth Proportional to 77,815.28, 116,698.44 and 25,212.56

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Solution

The fourth proportional to 77,815.28, 116,698.44 and 25,212.56 is: 37,810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,815.28 : 116,698.44 = 25,212.56 : x
  2. Step 2: Convert to fraction form
    77,815.28/116,698.44 = 25,212.56/x
  3. Step 3: Cross multiply
    77,815.28x = 116,698.44 × 25,212.56
  4. Step 4: Simplify right side
    77,815.28x = 2,942,266,420.41
  5. Step 5: Solve for x
    x = 2,942,266,420.41/77,815.28
  6. Step 6: Final answer
    x = 37,810.91

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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.