Home / 55,940.30-83,910.45-51,274.70

Finding the Fourth Proportional to 55,940.30, 83,910.45 and 51,274.70

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Solution

The fourth proportional to 55,940.30, 83,910.45 and 51,274.70 is: 76,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,940.30 : 83,910.45 = 51,274.70 : x
  2. Step 2: Convert to fraction form
    55,940.30/83,910.45 = 51,274.70/x
  3. Step 3: Cross multiply
    55,940.30x = 83,910.45 × 51,274.70
  4. Step 4: Simplify right side
    55,940.30x = 4,302,483,150.62
  5. Step 5: Solve for x
    x = 4,302,483,150.62/55,940.30
  6. Step 6: Final answer
    x = 76,912.05

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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.