Home / 45,216.40-67,824.60-43,296.70

Finding the Fourth Proportional to 45,216.40, 67,824.60 and 43,296.70

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Solution

The fourth proportional to 45,216.40, 67,824.60 and 43,296.70 is: 64,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,216.40 : 67,824.60 = 43,296.70 : x
  2. Step 2: Convert to fraction form
    45,216.40/67,824.60 = 43,296.70/x
  3. Step 3: Cross multiply
    45,216.40x = 67,824.60 × 43,296.70
  4. Step 4: Simplify right side
    45,216.40x = 2,936,581,358.82
  5. Step 5: Solve for x
    x = 2,936,581,358.82/45,216.40
  6. Step 6: Final answer
    x = 64,945.05

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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.