Home / 92,510.10-138,716.55-33,336.90

Finding the Fourth Proportional to 92,510.10, 138,716.55 and 33,336.90

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Solution

The fourth proportional to 92,510.10, 138,716.55 and 33,336.90 is: 49,987.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,510.10 : 138,716.55 = 33,336.90 : x
  2. Step 2: Convert to fraction form
    92,510.10/138,716.55 = 33,336.90/x
  3. Step 3: Cross multiply
    92,510.10x = 138,716.55 × 33,336.90
  4. Step 4: Simplify right side
    92,510.10x = 4,624,379,755.70
  5. Step 5: Solve for x
    x = 4,624,379,755.70/92,510.10
  6. Step 6: Final answer
    x = 49,987.84

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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.