Home / 80,810.94-121,234.77-24,656.07

Finding the Fourth Proportional to 80,810.94, 121,234.77 and 24,656.07

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Solution

The fourth proportional to 80,810.94, 121,234.77 and 24,656.07 is: 36,989.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,810.94 : 121,234.77 = 24,656.07 : x
  2. Step 2: Convert to fraction form
    80,810.94/121,234.77 = 24,656.07/x
  3. Step 3: Cross multiply
    80,810.94x = 121,234.77 × 24,656.07
  4. Step 4: Simplify right side
    80,810.94x = 2,989,172,975.55
  5. Step 5: Solve for x
    x = 2,989,172,975.55/80,810.94
  6. Step 6: Final answer
    x = 36,989.71

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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.