Home / 52,193.47-78,189.43-31,150.30

Finding the Fourth Proportional to 52,193.47, 78,189.43 and 31,150.30

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Solution

The fourth proportional to 52,193.47, 78,189.43 and 31,150.30 is: 46,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,193.47 : 78,189.43 = 31,150.30 : x
  2. Step 2: Convert to fraction form
    52,193.47/78,189.43 = 31,150.30/x
  3. Step 3: Cross multiply
    52,193.47x = 78,189.43 × 31,150.30
  4. Step 4: Simplify right side
    52,193.47x = 2,435,624,201.33
  5. Step 5: Solve for x
    x = 2,435,624,201.33/52,193.47
  6. Step 6: Final answer
    x = 46,665.31

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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.