Home / 52,097.92-78,150.48-20,933.20

Finding the Fourth Proportional to 52,097.92, 78,150.48 and 20,933.20

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Solution

The fourth proportional to 52,097.92, 78,150.48 and 20,933.20 is: 31,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,097.92 : 78,150.48 = 20,933.20 : x
  2. Step 2: Convert to fraction form
    52,097.92/78,150.48 = 20,933.20/x
  3. Step 3: Cross multiply
    52,097.92x = 78,150.48 × 20,933.20
  4. Step 4: Simplify right side
    52,097.92x = 1,635,939,627.94
  5. Step 5: Solve for x
    x = 1,635,939,627.94/52,097.92
  6. Step 6: Final answer
    x = 31,401.25

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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.