Home / 53,180.20-73,383.78-30,514.60

Finding the Fourth Proportional to 53,180.20, 73,383.78 and 30,514.60

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Solution

The fourth proportional to 53,180.20, 73,383.78 and 30,514.60 is: 42,107.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180.20 : 73,383.78 = 30,514.60 : x
  2. Step 2: Convert to fraction form
    53,180.20/73,383.78 = 30,514.60/x
  3. Step 3: Cross multiply
    53,180.20x = 73,383.78 × 30,514.60
  4. Step 4: Simplify right side
    53,180.20x = 2,239,276,693.19
  5. Step 5: Solve for x
    x = 2,239,276,693.19/53,180.20
  6. Step 6: Final answer
    x = 42,107.34

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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.