Home / 86,582.52-119,489.58-54,739.80

Finding the Fourth Proportional to 86,582.52, 119,489.58 and 54,739.80

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Solution

The fourth proportional to 86,582.52, 119,489.58 and 54,739.80 is: 75,544.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,582.52 : 119,489.58 = 54,739.80 : x
  2. Step 2: Convert to fraction form
    86,582.52/119,489.58 = 54,739.80/x
  3. Step 3: Cross multiply
    86,582.52x = 119,489.58 × 54,739.80
  4. Step 4: Simplify right side
    86,582.52x = 6,540,835,711.28
  5. Step 5: Solve for x
    x = 6,540,835,711.28/86,582.52
  6. Step 6: Final answer
    x = 75,544.53

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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.