Home / 79,339.26-109,484.55-43,528.53

Finding the Fourth Proportional to 79,339.26, 109,484.55 and 43,528.53

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Solution

The fourth proportional to 79,339.26, 109,484.55 and 43,528.53 is: 60,067.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,339.26 : 109,484.55 = 43,528.53 : x
  2. Step 2: Convert to fraction form
    79,339.26/109,484.55 = 43,528.53/x
  3. Step 3: Cross multiply
    79,339.26x = 109,484.55 × 43,528.53
  4. Step 4: Simplify right side
    79,339.26x = 4,765,701,519.21
  5. Step 5: Solve for x
    x = 4,765,701,519.21/79,339.26
  6. Step 6: Final answer
    x = 60,067.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.