Home / 86,202.31-129,305.64-23,873.35

Finding the Fourth Proportional to 86,202.31, 129,305.64 and 23,873.35

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Solution

The fourth proportional to 86,202.31, 129,305.64 and 23,873.35 is: 35,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,202.31 : 129,305.64 = 23,873.35 : x
  2. Step 2: Convert to fraction form
    86,202.31/129,305.64 = 23,873.35/x
  3. Step 3: Cross multiply
    86,202.31x = 129,305.64 × 23,873.35
  4. Step 4: Simplify right side
    86,202.31x = 3,086,958,800.69
  5. Step 5: Solve for x
    x = 3,086,958,800.69/86,202.31
  6. Step 6: Final answer
    x = 35,810.63

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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.