Home / 57,811.32-79,777.44-32,661.36

Finding the Fourth Proportional to 57,811.32, 79,777.44 and 32,661.36

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Solution

The fourth proportional to 57,811.32, 79,777.44 and 32,661.36 is: 45,071.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,811.32 : 79,777.44 = 32,661.36 : x
  2. Step 2: Convert to fraction form
    57,811.32/79,777.44 = 32,661.36/x
  3. Step 3: Cross multiply
    57,811.32x = 79,777.44 × 32,661.36
  4. Step 4: Simplify right side
    57,811.32x = 2,605,639,687.72
  5. Step 5: Solve for x
    x = 2,605,639,687.72/57,811.32
  6. Step 6: Final answer
    x = 45,071.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.