Home / 108,428.48-162,549.12-41,915.20

Finding the Fourth Proportional to 108,428.48, 162,549.12 and 41,915.20

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Solution

The fourth proportional to 108,428.48, 162,549.12 and 41,915.20 is: 62,836.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,428.48 : 162,549.12 = 41,915.20 : x
  2. Step 2: Convert to fraction form
    108,428.48/162,549.12 = 41,915.20/x
  3. Step 3: Cross multiply
    108,428.48x = 162,549.12 × 41,915.20
  4. Step 4: Simplify right side
    108,428.48x = 6,813,278,874.62
  5. Step 5: Solve for x
    x = 6,813,278,874.62/108,428.48
  6. Step 6: Final answer
    x = 62,836.62

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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.