Home / 45,644.20-68,466.30-45,029.80

Finding the Fourth Proportional to 45,644.20, 68,466.30 and 45,029.80

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Solution

The fourth proportional to 45,644.20, 68,466.30 and 45,029.80 is: 67,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,644.20 : 68,466.30 = 45,029.80 : x
  2. Step 2: Convert to fraction form
    45,644.20/68,466.30 = 45,029.80/x
  3. Step 3: Cross multiply
    45,644.20x = 68,466.30 × 45,029.80
  4. Step 4: Simplify right side
    45,644.20x = 3,083,023,795.74
  5. Step 5: Solve for x
    x = 3,083,023,795.74/45,644.20
  6. Step 6: Final answer
    x = 67,544.70

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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.