Home / 108,604.23-149,867.68-63,289.59

Finding the Fourth Proportional to 108,604.23, 149,867.68 and 63,289.59

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Solution

The fourth proportional to 108,604.23, 149,867.68 and 63,289.59 is: 87,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,604.23 : 149,867.68 = 63,289.59 : x
  2. Step 2: Convert to fraction form
    108,604.23/149,867.68 = 63,289.59/x
  3. Step 3: Cross multiply
    108,604.23x = 149,867.68 × 63,289.59
  4. Step 4: Simplify right side
    108,604.23x = 9,485,064,021.45
  5. Step 5: Solve for x
    x = 9,485,064,021.45/108,604.23
  6. Step 6: Final answer
    x = 87,336.05

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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.