Home / 79,358.58-109,514.54-43,549.20

Finding the Fourth Proportional to 79,358.58, 109,514.54 and 43,549.20

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Solution

The fourth proportional to 79,358.58, 109,514.54 and 43,549.20 is: 60,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,358.58 : 109,514.54 = 43,549.20 : x
  2. Step 2: Convert to fraction form
    79,358.58/109,514.54 = 43,549.20/x
  3. Step 3: Cross multiply
    79,358.58x = 109,514.54 × 43,549.20
  4. Step 4: Simplify right side
    79,358.58x = 4,769,270,714.24
  5. Step 5: Solve for x
    x = 4,769,270,714.24/79,358.58
  6. Step 6: Final answer
    x = 60,097.73

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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.