Home / 86,385.44-129,596.61-30,227.38

Finding the Fourth Proportional to 86,385.44, 129,596.61 and 30,227.38

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Solution

The fourth proportional to 86,385.44, 129,596.61 and 30,227.38 is: 45,347.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,385.44 : 129,596.61 = 30,227.38 : x
  2. Step 2: Convert to fraction form
    86,385.44/129,596.61 = 30,227.38/x
  3. Step 3: Cross multiply
    86,385.44x = 129,596.61 × 30,227.38
  4. Step 4: Simplify right side
    86,385.44x = 3,917,365,977.18
  5. Step 5: Solve for x
    x = 3,917,365,977.18/86,385.44
  6. Step 6: Final answer
    x = 45,347.53

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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.