Home / 108,100.22-149,172.03-60,356.61

Finding the Fourth Proportional to 108,100.22, 149,172.03 and 60,356.61

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Solution

The fourth proportional to 108,100.22, 149,172.03 and 60,356.61 is: 83,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,100.22 : 149,172.03 = 60,356.61 : x
  2. Step 2: Convert to fraction form
    108,100.22/149,172.03 = 60,356.61/x
  3. Step 3: Cross multiply
    108,100.22x = 149,172.03 × 60,356.61
  4. Step 4: Simplify right side
    108,100.22x = 9,003,518,037.62
  5. Step 5: Solve for x
    x = 9,003,518,037.62/108,100.22
  6. Step 6: Final answer
    x = 83,288.62

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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.