Home / 52,208.80-78,313.20-17,149.60

Finding the Fourth Proportional to 52,208.80, 78,313.20 and 17,149.60

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Solution

The fourth proportional to 52,208.80, 78,313.20 and 17,149.60 is: 25,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,208.80 : 78,313.20 = 17,149.60 : x
  2. Step 2: Convert to fraction form
    52,208.80/78,313.20 = 17,149.60/x
  3. Step 3: Cross multiply
    52,208.80x = 78,313.20 × 17,149.60
  4. Step 4: Simplify right side
    52,208.80x = 1,343,040,054.72
  5. Step 5: Solve for x
    x = 1,343,040,054.72/52,208.80
  6. Step 6: Final answer
    x = 25,724.40

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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.