Home / 47,790.92-71,676.76-45,419.85

Finding the Fourth Proportional to 47,790.92, 71,676.76 and 45,419.85

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Solution

The fourth proportional to 47,790.92, 71,676.76 and 45,419.85 is: 68,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,790.92 : 71,676.76 = 45,419.85 : x
  2. Step 2: Convert to fraction form
    47,790.92/71,676.76 = 45,419.85/x
  3. Step 3: Cross multiply
    47,790.92x = 71,676.76 × 45,419.85
  4. Step 4: Simplify right side
    47,790.92x = 3,255,547,687.69
  5. Step 5: Solve for x
    x = 3,255,547,687.69/47,790.92
  6. Step 6: Final answer
    x = 68,120.63

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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.