Home / 86,096.30-129,140.87-29,949.12

Finding the Fourth Proportional to 86,096.30, 129,140.87 and 29,949.12

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Solution

The fourth proportional to 86,096.30, 129,140.87 and 29,949.12 is: 44,922.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,096.30 : 129,140.87 = 29,949.12 : x
  2. Step 2: Convert to fraction form
    86,096.30/129,140.87 = 29,949.12/x
  3. Step 3: Cross multiply
    86,096.30x = 129,140.87 × 29,949.12
  4. Step 4: Simplify right side
    86,096.30x = 3,867,655,262.79
  5. Step 5: Solve for x
    x = 3,867,655,262.79/86,096.30
  6. Step 6: Final answer
    x = 44,922.44

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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.