Home / 57,628.86-86,474.26-55,531.91

Finding the Fourth Proportional to 57,628.86, 86,474.26 and 55,531.91

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Solution

The fourth proportional to 57,628.86, 86,474.26 and 55,531.91 is: 83,327.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,628.86 : 86,474.26 = 55,531.91 : x
  2. Step 2: Convert to fraction form
    57,628.86/86,474.26 = 55,531.91/x
  3. Step 3: Cross multiply
    57,628.86x = 86,474.26 × 55,531.91
  4. Step 4: Simplify right side
    57,628.86x = 4,802,080,823.64
  5. Step 5: Solve for x
    x = 4,802,080,823.64/57,628.86
  6. Step 6: Final answer
    x = 83,327.71

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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.