Home / 45,942.20-68,913.30-42,255.80

Finding the Fourth Proportional to 45,942.20, 68,913.30 and 42,255.80

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Solution

The fourth proportional to 45,942.20, 68,913.30 and 42,255.80 is: 63,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,942.20 : 68,913.30 = 42,255.80 : x
  2. Step 2: Convert to fraction form
    45,942.20/68,913.30 = 42,255.80/x
  3. Step 3: Cross multiply
    45,942.20x = 68,913.30 × 42,255.80
  4. Step 4: Simplify right side
    45,942.20x = 2,911,986,622.14
  5. Step 5: Solve for x
    x = 2,911,986,622.14/45,942.20
  6. Step 6: Final answer
    x = 63,383.70

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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.