Home / 55,149.56-76,105.68-29,999.06

Finding the Fourth Proportional to 55,149.56, 76,105.68 and 29,999.06

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Solution

The fourth proportional to 55,149.56, 76,105.68 and 29,999.06 is: 41,398.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,149.56 : 76,105.68 = 29,999.06 : x
  2. Step 2: Convert to fraction form
    55,149.56/76,105.68 = 29,999.06/x
  3. Step 3: Cross multiply
    55,149.56x = 76,105.68 × 29,999.06
  4. Step 4: Simplify right side
    55,149.56x = 2,283,098,860.66
  5. Step 5: Solve for x
    x = 2,283,098,860.66/55,149.56
  6. Step 6: Final answer
    x = 41,398.32

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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.