Home / 54,329.60-81,494.40-35,667.20

Finding the Fourth Proportional to 54,329.60, 81,494.40 and 35,667.20

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Solution

The fourth proportional to 54,329.60, 81,494.40 and 35,667.20 is: 53,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,329.60 : 81,494.40 = 35,667.20 : x
  2. Step 2: Convert to fraction form
    54,329.60/81,494.40 = 35,667.20/x
  3. Step 3: Cross multiply
    54,329.60x = 81,494.40 × 35,667.20
  4. Step 4: Simplify right side
    54,329.60x = 2,906,677,063.68
  5. Step 5: Solve for x
    x = 2,906,677,063.68/54,329.60
  6. Step 6: Final answer
    x = 53,500.80

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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.