Home / 76,416.20-114,624.30-48,422.60

Finding the Fourth Proportional to 76,416.20, 114,624.30 and 48,422.60

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Solution

The fourth proportional to 76,416.20, 114,624.30 and 48,422.60 is: 72,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,416.20 : 114,624.30 = 48,422.60 : x
  2. Step 2: Convert to fraction form
    76,416.20/114,624.30 = 48,422.60/x
  3. Step 3: Cross multiply
    76,416.20x = 114,624.30 × 48,422.60
  4. Step 4: Simplify right side
    76,416.20x = 5,550,406,629.18
  5. Step 5: Solve for x
    x = 5,550,406,629.18/76,416.20
  6. Step 6: Final answer
    x = 72,633.90

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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.