Home / 66,131.93-91,262.73-35,917.84

Finding the Fourth Proportional to 66,131.93, 91,262.73 and 35,917.84

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Solution

The fourth proportional to 66,131.93, 91,262.73 and 35,917.84 is: 49,566.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,131.93 : 91,262.73 = 35,917.84 : x
  2. Step 2: Convert to fraction form
    66,131.93/91,262.73 = 35,917.84/x
  3. Step 3: Cross multiply
    66,131.93x = 91,262.73 × 35,917.84
  4. Step 4: Simplify right side
    66,131.93x = 3,277,960,511.21
  5. Step 5: Solve for x
    x = 3,277,960,511.21/66,131.93
  6. Step 6: Final answer
    x = 49,566.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.