Home / 103,108.36-154,629.60-32,971

Finding the Fourth Proportional to 103,108.36, 154,629.60 and 32,971

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Solution

The fourth proportional to 103,108.36, 154,629.60 and 32,971 is: 49,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,108.36 : 154,629.60 = 32,971 : x
  2. Step 2: Convert to fraction form
    103,108.36/154,629.60 = 32,971/x
  3. Step 3: Cross multiply
    103,108.36x = 154,629.60 × 32,971
  4. Step 4: Simplify right side
    103,108.36x = 5,098,292,541.60
  5. Step 5: Solve for x
    x = 5,098,292,541.60/103,108.36
  6. Step 6: Final answer
    x = 49,445.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.