Home / 108,834.48-150,247.94-84,581.28

Finding the Fourth Proportional to 108,834.48, 150,247.94 and 84,581.28

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Solution

The fourth proportional to 108,834.48, 150,247.94 and 84,581.28 is: 116,765.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,834.48 : 150,247.94 = 84,581.28 : x
  2. Step 2: Convert to fraction form
    108,834.48/150,247.94 = 84,581.28/x
  3. Step 3: Cross multiply
    108,834.48x = 150,247.94 × 84,581.28
  4. Step 4: Simplify right side
    108,834.48x = 12,708,162,659.66
  5. Step 5: Solve for x
    x = 12,708,162,659.66/108,834.48
  6. Step 6: Final answer
    x = 116,765.96

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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.