Home / 108,258.46-149,396.25-60,511.80

Finding the Fourth Proportional to 108,258.46, 149,396.25 and 60,511.80

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Solution

The fourth proportional to 108,258.46, 149,396.25 and 60,511.80 is: 83,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,258.46 : 149,396.25 = 60,511.80 : x
  2. Step 2: Convert to fraction form
    108,258.46/149,396.25 = 60,511.80/x
  3. Step 3: Cross multiply
    108,258.46x = 149,396.25 × 60,511.80
  4. Step 4: Simplify right side
    108,258.46x = 9,040,236,000.75
  5. Step 5: Solve for x
    x = 9,040,236,000.75/108,258.46
  6. Step 6: Final answer
    x = 83,506.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.