Home / 52,133.75-78,199.89-20,544.08

Finding the Fourth Proportional to 52,133.75, 78,199.89 and 20,544.08

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Solution

The fourth proportional to 52,133.75, 78,199.89 and 20,544.08 is: 30,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,133.75 : 78,199.89 = 20,544.08 : x
  2. Step 2: Convert to fraction form
    52,133.75/78,199.89 = 20,544.08/x
  3. Step 3: Cross multiply
    52,133.75x = 78,199.89 × 20,544.08
  4. Step 4: Simplify right side
    52,133.75x = 1,606,544,796.15
  5. Step 5: Solve for x
    x = 1,606,544,796.15/52,133.75
  6. Step 6: Final answer
    x = 30,815.83

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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.