Home / 43,531.25-65,296.86-28,736.70

Finding the Fourth Proportional to 43,531.25, 65,296.86 and 28,736.70

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Solution

The fourth proportional to 43,531.25, 65,296.86 and 28,736.70 is: 43,105.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,531.25 : 65,296.86 = 28,736.70 : x
  2. Step 2: Convert to fraction form
    43,531.25/65,296.86 = 28,736.70/x
  3. Step 3: Cross multiply
    43,531.25x = 65,296.86 × 28,736.70
  4. Step 4: Simplify right side
    43,531.25x = 1,876,416,276.76
  5. Step 5: Solve for x
    x = 1,876,416,276.76/43,531.25
  6. Step 6: Final answer
    x = 43,105.05

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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.