Home / 66,155.30-91,287.73-37,469.24

Finding the Fourth Proportional to 66,155.30, 91,287.73 and 37,469.24

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Solution

The fourth proportional to 66,155.30, 91,287.73 and 37,469.24 is: 51,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,155.30 : 91,287.73 = 37,469.24 : x
  2. Step 2: Convert to fraction form
    66,155.30/91,287.73 = 37,469.24/x
  3. Step 3: Cross multiply
    66,155.30x = 91,287.73 × 37,469.24
  4. Step 4: Simplify right side
    66,155.30x = 3,420,481,864.43
  5. Step 5: Solve for x
    x = 3,420,481,864.43/66,155.30
  6. Step 6: Final answer
    x = 51,703.82

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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.