Home / 92,743.20-139,114.80-33,621.30

Finding the Fourth Proportional to 92,743.20, 139,114.80 and 33,621.30

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Solution

The fourth proportional to 92,743.20, 139,114.80 and 33,621.30 is: 50,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,743.20 : 139,114.80 = 33,621.30 : x
  2. Step 2: Convert to fraction form
    92,743.20/139,114.80 = 33,621.30/x
  3. Step 3: Cross multiply
    92,743.20x = 139,114.80 × 33,621.30
  4. Step 4: Simplify right side
    92,743.20x = 4,677,220,425.24
  5. Step 5: Solve for x
    x = 4,677,220,425.24/92,743.20
  6. Step 6: Final answer
    x = 50,431.95

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Similar ratio
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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.