Home / 56,613.20-84,919.80-43,531.60

Finding the Fourth Proportional to 56,613.20, 84,919.80 and 43,531.60

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Solution

The fourth proportional to 56,613.20, 84,919.80 and 43,531.60 is: 65,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,613.20 : 84,919.80 = 43,531.60 : x
  2. Step 2: Convert to fraction form
    56,613.20/84,919.80 = 43,531.60/x
  3. Step 3: Cross multiply
    56,613.20x = 84,919.80 × 43,531.60
  4. Step 4: Simplify right side
    56,613.20x = 3,696,694,765.68
  5. Step 5: Solve for x
    x = 3,696,694,765.68/56,613.20
  6. Step 6: Final answer
    x = 65,297.40

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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.