Home / 96,945.40-145,418.10-50,212.60

Finding the Fourth Proportional to 96,945.40, 145,418.10 and 50,212.60

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Solution

The fourth proportional to 96,945.40, 145,418.10 and 50,212.60 is: 75,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,945.40 : 145,418.10 = 50,212.60 : x
  2. Step 2: Convert to fraction form
    96,945.40/145,418.10 = 50,212.60/x
  3. Step 3: Cross multiply
    96,945.40x = 145,418.10 × 50,212.60
  4. Step 4: Simplify right side
    96,945.40x = 7,301,820,888.06
  5. Step 5: Solve for x
    x = 7,301,820,888.06/96,945.40
  6. Step 6: Final answer
    x = 75,318.90

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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.