Home / 66,181.73-99,321.80-26,739.18

Finding the Fourth Proportional to 66,181.73, 99,321.80 and 26,739.18

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Solution

The fourth proportional to 66,181.73, 99,321.80 and 26,739.18 is: 40,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,181.73 : 99,321.80 = 26,739.18 : x
  2. Step 2: Convert to fraction form
    66,181.73/99,321.80 = 26,739.18/x
  3. Step 3: Cross multiply
    66,181.73x = 99,321.80 × 26,739.18
  4. Step 4: Simplify right side
    66,181.73x = 2,655,783,354.43
  5. Step 5: Solve for x
    x = 2,655,783,354.43/66,181.73
  6. Step 6: Final answer
    x = 40,128.65

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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.