Home / 87,892.29-121,270.37-52,076.12

Finding the Fourth Proportional to 87,892.29, 121,270.37 and 52,076.12

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Solution

The fourth proportional to 87,892.29, 121,270.37 and 52,076.12 is: 71,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,892.29 : 121,270.37 = 52,076.12 : x
  2. Step 2: Convert to fraction form
    87,892.29/121,270.37 = 52,076.12/x
  3. Step 3: Cross multiply
    87,892.29x = 121,270.37 × 52,076.12
  4. Step 4: Simplify right side
    87,892.29x = 6,315,289,473.83
  5. Step 5: Solve for x
    x = 6,315,289,473.83/87,892.29
  6. Step 6: Final answer
    x = 71,852.60

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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.