Home / 51,042.30-76,563.45-45,404.70

Finding the Fourth Proportional to 51,042.30, 76,563.45 and 45,404.70

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Solution

The fourth proportional to 51,042.30, 76,563.45 and 45,404.70 is: 68,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,042.30 : 76,563.45 = 45,404.70 : x
  2. Step 2: Convert to fraction form
    51,042.30/76,563.45 = 45,404.70/x
  3. Step 3: Cross multiply
    51,042.30x = 76,563.45 × 45,404.70
  4. Step 4: Simplify right side
    51,042.30x = 3,476,340,478.22
  5. Step 5: Solve for x
    x = 3,476,340,478.22/51,042.30
  6. Step 6: Final answer
    x = 68,107.05

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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.