Home / 76,108.62-114,129.18-40,563.32

Finding the Fourth Proportional to 76,108.62, 114,129.18 and 40,563.32

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Solution

The fourth proportional to 76,108.62, 114,129.18 and 40,563.32 is: 60,826.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,108.62 : 114,129.18 = 40,563.32 : x
  2. Step 2: Convert to fraction form
    76,108.62/114,129.18 = 40,563.32/x
  3. Step 3: Cross multiply
    76,108.62x = 114,129.18 × 40,563.32
  4. Step 4: Simplify right side
    76,108.62x = 4,629,457,879.03
  5. Step 5: Solve for x
    x = 4,629,457,879.03/76,108.62
  6. Step 6: Final answer
    x = 60,826.98

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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.