Home / 76,571.14-114,739.47-51,518.38

Finding the Fourth Proportional to 76,571.14, 114,739.47 and 51,518.38

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Solution

The fourth proportional to 76,571.14, 114,739.47 and 51,518.38 is: 77,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,571.14 : 114,739.47 = 51,518.38 : x
  2. Step 2: Convert to fraction form
    76,571.14/114,739.47 = 51,518.38/x
  3. Step 3: Cross multiply
    76,571.14x = 114,739.47 × 51,518.38
  4. Step 4: Simplify right side
    76,571.14x = 5,911,191,616.46
  5. Step 5: Solve for x
    x = 5,911,191,616.46/76,571.14
  6. Step 6: Final answer
    x = 77,198.69

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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.