Home / 52,265.33-78,373.31-20,259.39

Finding the Fourth Proportional to 52,265.33, 78,373.31 and 20,259.39

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Solution

The fourth proportional to 52,265.33, 78,373.31 and 20,259.39 is: 30,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,265.33 : 78,373.31 = 20,259.39 : x
  2. Step 2: Convert to fraction form
    52,265.33/78,373.31 = 20,259.39/x
  3. Step 3: Cross multiply
    52,265.33x = 78,373.31 × 20,259.39
  4. Step 4: Simplify right side
    52,265.33x = 1,587,795,645.48
  5. Step 5: Solve for x
    x = 1,587,795,645.48/52,265.33
  6. Step 6: Final answer
    x = 30,379.52

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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.