Home / 96,402.75-133,174.37-76,996.18

Finding the Fourth Proportional to 96,402.75, 133,174.37 and 76,996.18

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Solution

The fourth proportional to 96,402.75, 133,174.37 and 76,996.18 is: 106,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,402.75 : 133,174.37 = 76,996.18 : x
  2. Step 2: Convert to fraction form
    96,402.75/133,174.37 = 76,996.18/x
  3. Step 3: Cross multiply
    96,402.75x = 133,174.37 × 76,996.18
  4. Step 4: Simplify right side
    96,402.75x = 10,253,917,045.99
  5. Step 5: Solve for x
    x = 10,253,917,045.99/96,402.75
  6. Step 6: Final answer
    x = 106,365.40

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1.5x scale

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.