Home / 108,724.32-150,043.68-60,976.80

Finding the Fourth Proportional to 108,724.32, 150,043.68 and 60,976.80

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Solution

The fourth proportional to 108,724.32, 150,043.68 and 60,976.80 is: 84,150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,724.32 : 150,043.68 = 60,976.80 : x
  2. Step 2: Convert to fraction form
    108,724.32/150,043.68 = 60,976.80/x
  3. Step 3: Cross multiply
    108,724.32x = 150,043.68 × 60,976.80
  4. Step 4: Simplify right side
    108,724.32x = 9,149,183,466.62
  5. Step 5: Solve for x
    x = 9,149,183,466.62/108,724.32
  6. Step 6: Final answer
    x = 84,150.29

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1.5x scale

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.