Home / 80,582.05-120,925.56-30,662.59

Finding the Fourth Proportional to 80,582.05, 120,925.56 and 30,662.59

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Solution

The fourth proportional to 80,582.05, 120,925.56 and 30,662.59 is: 46,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,582.05 : 120,925.56 = 30,662.59 : x
  2. Step 2: Convert to fraction form
    80,582.05/120,925.56 = 30,662.59/x
  3. Step 3: Cross multiply
    80,582.05x = 120,925.56 × 30,662.59
  4. Step 4: Simplify right side
    80,582.05x = 3,707,890,866.80
  5. Step 5: Solve for x
    x = 3,707,890,866.80/80,582.05
  6. Step 6: Final answer
    x = 46,013.86

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1.5x scale

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.