Home / 58,906.43-81,339.92-54,632.60

Finding the Fourth Proportional to 58,906.43, 81,339.92 and 54,632.60

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Solution

The fourth proportional to 58,906.43, 81,339.92 and 54,632.60 is: 75,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,906.43 : 81,339.92 = 54,632.60 : x
  2. Step 2: Convert to fraction form
    58,906.43/81,339.92 = 54,632.60/x
  3. Step 3: Cross multiply
    58,906.43x = 81,339.92 × 54,632.60
  4. Step 4: Simplify right side
    58,906.43x = 4,443,811,313.39
  5. Step 5: Solve for x
    x = 4,443,811,313.39/58,906.43
  6. Step 6: Final answer
    x = 75,438.48

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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.