Home / 76,375.08-114,579.26-31,396.76

Finding the Fourth Proportional to 76,375.08, 114,579.26 and 31,396.76

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Solution

The fourth proportional to 76,375.08, 114,579.26 and 31,396.76 is: 47,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,375.08 : 114,579.26 = 31,396.76 : x
  2. Step 2: Convert to fraction form
    76,375.08/114,579.26 = 31,396.76/x
  3. Step 3: Cross multiply
    76,375.08x = 114,579.26 × 31,396.76
  4. Step 4: Simplify right side
    76,375.08x = 3,597,417,527.20
  5. Step 5: Solve for x
    x = 3,597,417,527.20/76,375.08
  6. Step 6: Final answer
    x = 47,101.98

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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.