Home / 92,511.10-138,718.05-33,337.90

Finding the Fourth Proportional to 92,511.10, 138,718.05 and 33,337.90

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Solution

The fourth proportional to 92,511.10, 138,718.05 and 33,337.90 is: 49,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,511.10 : 138,718.05 = 33,337.90 : x
  2. Step 2: Convert to fraction form
    92,511.10/138,718.05 = 33,337.90/x
  3. Step 3: Cross multiply
    92,511.10x = 138,718.05 × 33,337.90
  4. Step 4: Simplify right side
    92,511.10x = 4,624,568,479.10
  5. Step 5: Solve for x
    x = 4,624,568,479.10/92,511.10
  6. Step 6: Final answer
    x = 49,989.34

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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.