Home / 52,157.55-78,201.75-18,873.28

Finding the Fourth Proportional to 52,157.55, 78,201.75 and 18,873.28

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Solution

The fourth proportional to 52,157.55, 78,201.75 and 18,873.28 is: 28,297.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,157.55 : 78,201.75 = 18,873.28 : x
  2. Step 2: Convert to fraction form
    52,157.55/78,201.75 = 18,873.28/x
  3. Step 3: Cross multiply
    52,157.55x = 78,201.75 × 18,873.28
  4. Step 4: Simplify right side
    52,157.55x = 1,475,923,472.82
  5. Step 5: Solve for x
    x = 1,475,923,472.82/52,157.55
  6. Step 6: Final answer
    x = 28,297.41

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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.