Home / 86,268.34-129,393.96-27,102.43

Finding the Fourth Proportional to 86,268.34, 129,393.96 and 27,102.43

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Solution

The fourth proportional to 86,268.34, 129,393.96 and 27,102.43 is: 40,650.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,268.34 : 129,393.96 = 27,102.43 : x
  2. Step 2: Convert to fraction form
    86,268.34/129,393.96 = 27,102.43/x
  3. Step 3: Cross multiply
    86,268.34x = 129,393.96 × 27,102.43
  4. Step 4: Simplify right side
    86,268.34x = 3,506,890,743.32
  5. Step 5: Solve for x
    x = 3,506,890,743.32/86,268.34
  6. Step 6: Final answer
    x = 40,650.96

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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.