Home / 80,500.08-120,746.88-41,056.32

Finding the Fourth Proportional to 80,500.08, 120,746.88 and 41,056.32

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Solution

The fourth proportional to 80,500.08, 120,746.88 and 41,056.32 is: 61,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,500.08 : 120,746.88 = 41,056.32 : x
  2. Step 2: Convert to fraction form
    80,500.08/120,746.88 = 41,056.32/x
  3. Step 3: Cross multiply
    80,500.08x = 120,746.88 × 41,056.32
  4. Step 4: Simplify right side
    80,500.08x = 4,957,422,544.28
  5. Step 5: Solve for x
    x = 4,957,422,544.28/80,500.08
  6. Step 6: Final answer
    x = 61,582.83

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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.