Home / 80,025.56-120,063.98-56,034.86

Finding the Fourth Proportional to 80,025.56, 120,063.98 and 56,034.86

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Solution

The fourth proportional to 80,025.56, 120,063.98 and 56,034.86 is: 84,070.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,025.56 : 120,063.98 = 56,034.86 : x
  2. Step 2: Convert to fraction form
    80,025.56/120,063.98 = 56,034.86/x
  3. Step 3: Cross multiply
    80,025.56x = 120,063.98 × 56,034.86
  4. Step 4: Simplify right side
    80,025.56x = 6,727,768,310.34
  5. Step 5: Solve for x
    x = 6,727,768,310.34/80,025.56
  6. Step 6: Final answer
    x = 84,070.24

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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.