Home / 92,500.20-138,782.70-33,337.80

Finding the Fourth Proportional to 92,500.20, 138,782.70 and 33,337.80

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Solution

The fourth proportional to 92,500.20, 138,782.70 and 33,337.80 is: 50,018.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,500.20 : 138,782.70 = 33,337.80 : x
  2. Step 2: Convert to fraction form
    92,500.20/138,782.70 = 33,337.80/x
  3. Step 3: Cross multiply
    92,500.20x = 138,782.70 × 33,337.80
  4. Step 4: Simplify right side
    92,500.20x = 4,626,709,896.06
  5. Step 5: Solve for x
    x = 4,626,709,896.06/92,500.20
  6. Step 6: Final answer
    x = 50,018.38

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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.