Home / 63,072.11-87,039.42-34,777.87

Finding the Fourth Proportional to 63,072.11, 87,039.42 and 34,777.87

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Solution

The fourth proportional to 63,072.11, 87,039.42 and 34,777.87 is: 47,993.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,072.11 : 87,039.42 = 34,777.87 : x
  2. Step 2: Convert to fraction form
    63,072.11/87,039.42 = 34,777.87/x
  3. Step 3: Cross multiply
    63,072.11x = 87,039.42 × 34,777.87
  4. Step 4: Simplify right side
    63,072.11x = 3,027,045,633.64
  5. Step 5: Solve for x
    x = 3,027,045,633.64/63,072.11
  6. Step 6: Final answer
    x = 47,993.41

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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.