Home / 55,265.20-82,800.60-45,350.80

Finding the Fourth Proportional to 55,265.20, 82,800.60 and 45,350.80

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Solution

The fourth proportional to 55,265.20, 82,800.60 and 45,350.80 is: 67,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,265.20 : 82,800.60 = 45,350.80 : x
  2. Step 2: Convert to fraction form
    55,265.20/82,800.60 = 45,350.80/x
  3. Step 3: Cross multiply
    55,265.20x = 82,800.60 × 45,350.80
  4. Step 4: Simplify right side
    55,265.20x = 3,755,073,450.48
  5. Step 5: Solve for x
    x = 3,755,073,450.48/55,265.20
  6. Step 6: Final answer
    x = 67,946.44

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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.