Home / 80,934.58-121,416.45-36,582.22

Finding the Fourth Proportional to 80,934.58, 121,416.45 and 36,582.22

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Solution

The fourth proportional to 80,934.58, 121,416.45 and 36,582.22 is: 54,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,934.58 : 121,416.45 = 36,582.22 : x
  2. Step 2: Convert to fraction form
    80,934.58/121,416.45 = 36,582.22/x
  3. Step 3: Cross multiply
    80,934.58x = 121,416.45 × 36,582.22
  4. Step 4: Simplify right side
    80,934.58x = 4,441,683,285.52
  5. Step 5: Solve for x
    x = 4,441,683,285.52/80,934.58
  6. Step 6: Final answer
    x = 54,879.92

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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.