Home / 108,026.92-149,035.57-67,670.43

Finding the Fourth Proportional to 108,026.92, 149,035.57 and 67,670.43

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Solution

The fourth proportional to 108,026.92, 149,035.57 and 67,670.43 is: 93,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,026.92 : 149,035.57 = 67,670.43 : x
  2. Step 2: Convert to fraction form
    108,026.92/149,035.57 = 67,670.43/x
  3. Step 3: Cross multiply
    108,026.92x = 149,035.57 × 67,670.43
  4. Step 4: Simplify right side
    108,026.92x = 10,085,301,107.20
  5. Step 5: Solve for x
    x = 10,085,301,107.20/108,026.92
  6. Step 6: Final answer
    x = 93,359.15

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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.