Home / 76,005.10-113,679.60-64,195.30

Finding the Fourth Proportional to 76,005.10, 113,679.60 and 64,195.30

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Solution

The fourth proportional to 76,005.10, 113,679.60 and 64,195.30 is: 96,015.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,005.10 : 113,679.60 = 64,195.30 : x
  2. Step 2: Convert to fraction form
    76,005.10/113,679.60 = 64,195.30/x
  3. Step 3: Cross multiply
    76,005.10x = 113,679.60 × 64,195.30
  4. Step 4: Simplify right side
    76,005.10x = 7,297,696,025.88
  5. Step 5: Solve for x
    x = 7,297,696,025.88/76,005.10
  6. Step 6: Final answer
    x = 96,015.87

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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.