Home / 86,258.34-129,378.96-27,092.43

Finding the Fourth Proportional to 86,258.34, 129,378.96 and 27,092.43

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Solution

The fourth proportional to 86,258.34, 129,378.96 and 27,092.43 is: 40,635.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,258.34 : 129,378.96 = 27,092.43 : x
  2. Step 2: Convert to fraction form
    86,258.34/129,378.96 = 27,092.43/x
  3. Step 3: Cross multiply
    86,258.34x = 129,378.96 × 27,092.43
  4. Step 4: Simplify right side
    86,258.34x = 3,505,190,417.27
  5. Step 5: Solve for x
    x = 3,505,190,417.27/86,258.34
  6. Step 6: Final answer
    x = 40,635.96

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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.