Home / 57,819.36-79,789.68-32,668.32

Finding the Fourth Proportional to 57,819.36, 79,789.68 and 32,668.32

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Solution

The fourth proportional to 57,819.36, 79,789.68 and 32,668.32 is: 45,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,819.36 : 79,789.68 = 32,668.32 : x
  2. Step 2: Convert to fraction form
    57,819.36/79,789.68 = 32,668.32/x
  3. Step 3: Cross multiply
    57,819.36x = 79,789.68 × 32,668.32
  4. Step 4: Simplify right side
    57,819.36x = 2,606,594,798.94
  5. Step 5: Solve for x
    x = 2,606,594,798.94/57,819.36
  6. Step 6: Final answer
    x = 45,081.70

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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.