Home / 77,723.76-116,560.80-33,338.64

Finding the Fourth Proportional to 77,723.76, 116,560.80 and 33,338.64

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Solution

The fourth proportional to 77,723.76, 116,560.80 and 33,338.64 is: 49,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,723.76 : 116,560.80 = 33,338.64 : x
  2. Step 2: Convert to fraction form
    77,723.76/116,560.80 = 33,338.64/x
  3. Step 3: Cross multiply
    77,723.76x = 116,560.80 × 33,338.64
  4. Step 4: Simplify right side
    77,723.76x = 3,885,978,549.31
  5. Step 5: Solve for x
    x = 3,885,978,549.31/77,723.76
  6. Step 6: Final answer
    x = 49,997.31

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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.