Home / 51,879.02-77,843.13-30,860.49

Finding the Fourth Proportional to 51,879.02, 77,843.13 and 30,860.49

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Solution

The fourth proportional to 51,879.02, 77,843.13 and 30,860.49 is: 46,305.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,879.02 : 77,843.13 = 30,860.49 : x
  2. Step 2: Convert to fraction form
    51,879.02/77,843.13 = 30,860.49/x
  3. Step 3: Cross multiply
    51,879.02x = 77,843.13 × 30,860.49
  4. Step 4: Simplify right side
    51,879.02x = 2,402,277,134.93
  5. Step 5: Solve for x
    x = 2,402,277,134.93/51,879.02
  6. Step 6: Final answer
    x = 46,305.37

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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.