Home / 71,883.36-107,846.46-51,937.92

Finding the Fourth Proportional to 71,883.36, 107,846.46 and 51,937.92

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Solution

The fourth proportional to 71,883.36, 107,846.46 and 51,937.92 is: 77,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,883.36 : 107,846.46 = 51,937.92 : x
  2. Step 2: Convert to fraction form
    71,883.36/107,846.46 = 51,937.92/x
  3. Step 3: Cross multiply
    71,883.36x = 107,846.46 × 51,937.92
  4. Step 4: Simplify right side
    71,883.36x = 5,601,320,811.76
  5. Step 5: Solve for x
    x = 5,601,320,811.76/71,883.36
  6. Step 6: Final answer
    x = 77,922.36

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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.