Home / 53,180.82-73,388.43-29,306.88

Finding the Fourth Proportional to 53,180.82, 73,388.43 and 29,306.88

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Solution

The fourth proportional to 53,180.82, 73,388.43 and 29,306.88 is: 40,442.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180.82 : 73,388.43 = 29,306.88 : x
  2. Step 2: Convert to fraction form
    53,180.82/73,388.43 = 29,306.88/x
  3. Step 3: Cross multiply
    53,180.82x = 73,388.43 × 29,306.88
  4. Step 4: Simplify right side
    53,180.82x = 2,150,785,911.40
  5. Step 5: Solve for x
    x = 2,150,785,911.40/53,180.82
  6. Step 6: Final answer
    x = 40,442.89

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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.