Home / 51,682.72-71,322.64-29,324.96

Finding the Fourth Proportional to 51,682.72, 71,322.64 and 29,324.96

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Solution

The fourth proportional to 51,682.72, 71,322.64 and 29,324.96 is: 40,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,682.72 : 71,322.64 = 29,324.96 : x
  2. Step 2: Convert to fraction form
    51,682.72/71,322.64 = 29,324.96/x
  3. Step 3: Cross multiply
    51,682.72x = 71,322.64 × 29,324.96
  4. Step 4: Simplify right side
    51,682.72x = 2,091,533,565.09
  5. Step 5: Solve for x
    x = 2,091,533,565.09/51,682.72
  6. Step 6: Final answer
    x = 40,468.72

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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.