Home / 54,109.60-81,164.40-22,519.06

Finding the Fourth Proportional to 54,109.60, 81,164.40 and 22,519.06

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Solution

The fourth proportional to 54,109.60, 81,164.40 and 22,519.06 is: 33,778.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,109.60 : 81,164.40 = 22,519.06 : x
  2. Step 2: Convert to fraction form
    54,109.60/81,164.40 = 22,519.06/x
  3. Step 3: Cross multiply
    54,109.60x = 81,164.40 × 22,519.06
  4. Step 4: Simplify right side
    54,109.60x = 1,827,745,993.46
  5. Step 5: Solve for x
    x = 1,827,745,993.46/54,109.60
  6. Step 6: Final answer
    x = 33,778.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.