Home / 87,850.66-121,232.46-47,564.06

Finding the Fourth Proportional to 87,850.66, 121,232.46 and 47,564.06

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Solution

The fourth proportional to 87,850.66, 121,232.46 and 47,564.06 is: 65,637.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,850.66 : 121,232.46 = 47,564.06 : x
  2. Step 2: Convert to fraction form
    87,850.66/121,232.46 = 47,564.06/x
  3. Step 3: Cross multiply
    87,850.66x = 121,232.46 × 47,564.06
  4. Step 4: Simplify right side
    87,850.66x = 5,766,308,001.39
  5. Step 5: Solve for x
    x = 5,766,308,001.39/87,850.66
  6. Step 6: Final answer
    x = 65,637.62

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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.