Home / 108,376.92-149,583.56-65,949.12

Finding the Fourth Proportional to 108,376.92, 149,583.56 and 65,949.12

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Solution

The fourth proportional to 108,376.92, 149,583.56 and 65,949.12 is: 91,024.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,376.92 : 149,583.56 = 65,949.12 : x
  2. Step 2: Convert to fraction form
    108,376.92/149,583.56 = 65,949.12/x
  3. Step 3: Cross multiply
    108,376.92x = 149,583.56 × 65,949.12
  4. Step 4: Simplify right side
    108,376.92x = 9,864,904,148.47
  5. Step 5: Solve for x
    x = 9,864,904,148.47/108,376.92
  6. Step 6: Final answer
    x = 91,024.03

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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.