Home / 108,568.26-162,611.78-83,423.22

Finding the Fourth Proportional to 108,568.26, 162,611.78 and 83,423.22

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Solution

The fourth proportional to 108,568.26, 162,611.78 and 83,423.22 is: 124,949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,568.26 : 162,611.78 = 83,423.22 : x
  2. Step 2: Convert to fraction form
    108,568.26/162,611.78 = 83,423.22/x
  3. Step 3: Cross multiply
    108,568.26x = 162,611.78 × 83,423.22
  4. Step 4: Simplify right side
    108,568.26x = 13,565,598,297.53
  5. Step 5: Solve for x
    x = 13,565,598,297.53/108,568.26
  6. Step 6: Final answer
    x = 124,949.95

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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.