Home / 108,627.99-149,906.60-60,229.78

Finding the Fourth Proportional to 108,627.99, 149,906.60 and 60,229.78

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Solution

The fourth proportional to 108,627.99, 149,906.60 and 60,229.78 is: 83,117.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,627.99 : 149,906.60 = 60,229.78 : x
  2. Step 2: Convert to fraction form
    108,627.99/149,906.60 = 60,229.78/x
  3. Step 3: Cross multiply
    108,627.99x = 149,906.60 × 60,229.78
  4. Step 4: Simplify right side
    108,627.99x = 9,028,841,088.49
  5. Step 5: Solve for x
    x = 9,028,841,088.49/108,627.99
  6. Step 6: Final answer
    x = 83,117.08

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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.